diff --git a/dictation_server/src/constants/index.ts b/dictation_server/src/constants/index.ts
index 511e4b8..6657210 100644
--- a/dictation_server/src/constants/index.ts
+++ b/dictation_server/src/constants/index.ts
@@ -219,9 +219,9 @@ export const PNS = {
 };
 
 /**
- * ユーザーのライセンス状態
+ * ユーザーのライセンスの有効期限の状態
  */
-export const USER_LICENSE_STATUS = {
+export const USER_LICENSE_EXPIRY_STATUS = {
   NORMAL: 'Normal',
   NO_LICENSE: 'NoLicense',
   ALERT: 'Alert',
@@ -311,3 +311,13 @@ export const USER_AUDIO_FORMAT = 'DS2(QP)';
  * @const {string[]}
  */
 export const NODE_ENV_TEST = 'test';
+
+/**
+ * ユーザに対するライセンスの状態
+ * @const {string[]}
+ */
+export const USER_LICENSE_STATUS = {
+  UNALLOCATED: 'unallocated',
+  ALLOCATED: 'allocated',
+  EXPIRED: 'expired',
+} as const;
diff --git a/dictation_server/src/features/files/files.service.spec.ts b/dictation_server/src/features/files/files.service.spec.ts
index 17d1253..deff777 100644
--- a/dictation_server/src/features/files/files.service.spec.ts
+++ b/dictation_server/src/features/files/files.service.spec.ts
@@ -235,67 +235,6 @@ describe('publishUploadSas', () => {
       new HttpException(makeErrorResponse('E010812'), HttpStatus.BAD_REQUEST),
     );
   });
-  it('アップロード時にユーザーに割り当てられたライセンスが有効期限切れの場合エラー（第五階層限定）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
-    });
-    // 昨日の日付を作成
-    let yesterday = new Date();
-    yesterday.setDate(yesterday.getDate() - 1);
-    yesterday = new DateWithZeroTime(yesterday);
-    // 期限切れのライセンスを作成して紐づける
-    await createLicense(
-      source,
-      1,
-      yesterday,
-      tier5Accounts.account.id,
-      LICENSE_TYPE.NORMAL,
-      LICENSE_ALLOCATED_STATUS.ALLOCATED,
-      userId,
-      null,
-      null,
-      null,
-    );
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishUploadSas = `${url}?sas-token`;
-    blobParam.fileExists = false;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    await expect(
-      service.publishUploadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010805'), HttpStatus.BAD_REQUEST),
-    );
-  });
 });
 
 describe('タスク作成から自動ルーティング(DB使用)', () => {
@@ -1097,76 +1036,6 @@ describe('音声ファイルダウンロードURL取得', () => {
       ),
     ).toEqual(`${url}?sas-token`);
   });
-  it('ダウンロードSASトークンが乗っているURLを取得できる（第五階層の場合ライセンスのチェックを行う）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
-    });
-    // 本日の日付を作成
-    let today = new Date();
-    today.setDate(today.getDate());
-    today = new DateWithZeroTime(today);
-    // 有効期限内のライセンスを作成して紐づける
-    await createLicense(
-      source,
-      1,
-      today,
-      tier5Accounts.account.id,
-      LICENSE_TYPE.NORMAL,
-      LICENSE_ALLOCATED_STATUS.ALLOCATED,
-      userId,
-      null,
-      null,
-      null,
-    );
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = true;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    expect(
-      await service.publishAudioFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).toEqual(`${url}?sas-token`);
-  });
   it('Typistの場合、タスクのステータスが[Inprogress,Pending]以外でエラー', async () => {
     if (!source) fail();
     const { id: accountId } = await makeTestSimpleAccount(source);
@@ -1396,133 +1265,6 @@ describe('音声ファイルダウンロードURL取得', () => {
       new HttpException(makeErrorResponse('E010701'), HttpStatus.BAD_REQUEST),
     );
   });
-  it('ダウンロード時にユーザーにライセンスが未割当の場合エラーとなる（第五階層限定）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する（ライセンスは作成しない）
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
-    });
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = false;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    await expect(
-      service.publishAudioFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010812'), HttpStatus.BAD_REQUEST),
-    );
-  });
-  it('ダウンロード時にユーザーに割り当てられたライセンスが有効期限切れの場合エラー（第五階層限定）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
-    });
-    // 昨日の日付を作成
-    let yesterday = new Date();
-    yesterday.setDate(yesterday.getDate() - 1);
-    yesterday = new DateWithZeroTime(yesterday);
-    // 期限切れのライセンスを作成して紐づける
-    await createLicense(
-      source,
-      1,
-      yesterday,
-      tier5Accounts.account.id,
-      LICENSE_TYPE.NORMAL,
-      LICENSE_ALLOCATED_STATUS.ALLOCATED,
-      userId,
-      null,
-      null,
-      null,
-    );
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = false;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    await expect(
-      service.publishAudioFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010805'), HttpStatus.BAD_REQUEST),
-    );
-  });
 });
 
 describe('テンプレートファイルダウンロードURL取得', () => {
@@ -1596,70 +1338,7 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     );
     expect(resultUrl).toBe(`${url}?sas-token`);
   });
-  it('ダウンロードSASトークンが乗っているURLを取得できる（第五階層の場合ライセンスのチェックを行う）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const { external_id: externalId, id: userId } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'typist-user-external-id',
-      role: USER_ROLES.TYPIST,
-    });
-    // 本日の日付を作成
-    let yesterday = new Date();
-    yesterday.setDate(yesterday.getDate());
-    yesterday = new DateWithZeroTime(yesterday);
-    // 有効期限内のライセンスを作成して紐づける
-    await createLicense(
-      source,
-      1,
-      yesterday,
-      tier5Accounts.account.id,
-      LICENSE_TYPE.NORMAL,
-      LICENSE_ALLOCATED_STATUS.ALLOCATED,
-      userId,
-      null,
-      null,
-      null,
-    );
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
 
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      TASK_STATUS.IN_PROGRESS,
-      userId,
-      'AUTHOR_ID',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = true;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    const resultUrl = await service.publishTemplateFileDownloadSas(
-      makeContext('trackingId', 'requestId'),
-      externalId,
-      audioFileId,
-    );
-    expect(resultUrl).toBe(`${url}?sas-token`);
-  });
   it('タスクのステータスが[Inprogress,Pending]以外でエラー', async () => {
     if (!source) fail();
     const { id: accountId } = await makeTestSimpleAccount(source);
@@ -1849,135 +1528,6 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       }
     }
   });
-  it('ダウンロード時にユーザーにライセンスが未割当の場合エラーとなる（第五階層限定）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する（ライセンスは作成しない）
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const { external_id: externalId, id: userId } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'typist-user-external-id',
-      role: USER_ROLES.TYPIST,
-    });
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      TASK_STATUS.IN_PROGRESS,
-      undefined,
-      'AUTHOR_ID',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = false;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    try {
-      await service.publishTemplateFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      );
-      fail();
-    } catch (e) {
-      if (e instanceof HttpException) {
-        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
-        expect(e.getResponse()).toEqual(makeErrorResponse('E010812'));
-      } else {
-        fail();
-      }
-    }
-  });
-  it('ダウンロード時にユーザーに割り当てられたライセンスが有効期限切れの場合エラー（第五階層限定）', async () => {
-    if (!source) fail();
-    // 第五階層のアカウントまで作成し、そのアカウントに紐づくユーザーを作成する
-    const { tier4Accounts: tier4Accounts } = await makeHierarchicalAccounts(
-      source,
-    );
-    const tier5Accounts = await makeTestAccount(source, {
-      parent_account_id: tier4Accounts[0].account.id,
-      tier: 5,
-    });
-    const { external_id: externalId, id: userId } = await makeTestUser(source, {
-      account_id: tier5Accounts.account.id,
-      external_id: 'typist-user-external-id',
-      role: USER_ROLES.TYPIST,
-    });
-    // 昨日の日付を作成
-    let yesterday = new Date();
-    yesterday.setDate(yesterday.getDate() - 1);
-    yesterday = new DateWithZeroTime(yesterday);
-    // 期限切れのライセンスを作成して紐づける
-    await createLicense(
-      source,
-      1,
-      yesterday,
-      tier5Accounts.account.id,
-      LICENSE_TYPE.NORMAL,
-      LICENSE_ALLOCATED_STATUS.ALLOCATED,
-      userId,
-      null,
-      null,
-      null,
-    );
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
-
-    const { audioFileId } = await createTask(
-      source,
-      tier5Accounts.account.id,
-      url,
-      'test.zip',
-      TASK_STATUS.IN_PROGRESS,
-      undefined,
-      'AUTHOR_ID',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${url}?sas-token`;
-    blobParam.fileExists = false;
-
-    const notificationParam = makeDefaultNotificationhubServiceMockValue();
-    const module = await makeTestingModuleWithBlobAndNotification(
-      source,
-      blobParam,
-      notificationParam,
-    );
-    if (!module) fail();
-    const service = module.get<FilesService>(FilesService);
-
-    try {
-      await service.publishTemplateFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-        fail();
-    } catch (e) {
-      if (e instanceof HttpException) {
-        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
-        expect(e.getResponse()).toEqual(makeErrorResponse('E010805'));
-      } else {
-        fail();
-      }
-    }
-  });
 });
 
 describe('publishTemplateFileUploadSas', () => {
diff --git a/dictation_server/src/features/files/files.service.ts b/dictation_server/src/features/files/files.service.ts
index 6c1b558..1f9c042 100644
--- a/dictation_server/src/features/files/files.service.ts
+++ b/dictation_server/src/features/files/files.service.ts
@@ -8,6 +8,7 @@ import {
   OPTION_ITEM_NUM,
   TASK_STATUS,
   TIERS,
+  USER_LICENSE_STATUS,
   USER_ROLES,
 } from '../../constants/index';
 import { User } from '../../repositories/users/entity/user.entity';
@@ -308,10 +309,10 @@ export class FilesService {
           context,
           user.id,
         );
-        if (state === 'expired') {
+        if (state === USER_LICENSE_STATUS.EXPIRED) {
           throw new LicenseExpiredError('license is expired.');
         }
-        if (state === 'inallocated') {
+        if (state === USER_LICENSE_STATUS.UNALLOCATED) {
           throw new LicenseNotAllocatedError('license is not allocated.');
         }
       }
@@ -392,20 +393,6 @@ export class FilesService {
       if (!user.account) {
         throw new AccountNotFoundError('account not found.');
       }
-      // 第五階層のみチェック
-      if (user.account.tier === TIERS.TIER5) {
-        // ライセンスが有効でない場合、エラー
-        const { state } = await this.licensesRepository.getLicenseState(
-          context,
-          user.id,
-        );
-        if (state === 'expired') {
-          throw new LicenseExpiredError('license is expired.');
-        }
-        if (state === 'inallocated') {
-          throw new LicenseNotAllocatedError('license is not allocated.');
-        }
-      }
       accountId = user.account.id;
       userId = user.id;
       country = user.account.country;
@@ -422,16 +409,6 @@ export class FilesService {
         }`,
       );
       switch (e.constructor) {
-        case LicenseExpiredError:
-          throw new HttpException(
-            makeErrorResponse('E010805'),
-            HttpStatus.BAD_REQUEST,
-          );
-        case LicenseNotAllocatedError:
-          throw new HttpException(
-            makeErrorResponse('E010812'),
-            HttpStatus.BAD_REQUEST,
-          );
         default:
           throw new HttpException(
             makeErrorResponse('E009999'),
@@ -571,20 +548,6 @@ export class FilesService {
       if (!user.account) {
         throw new AccountNotFoundError('account not found.');
       }
-      // 第五階層のみチェック
-      if (user.account.tier === TIERS.TIER5) {
-        // ライセンスが有効でない場合、エラー
-        const { state } = await this.licensesRepository.getLicenseState(
-          context,
-          user.id,
-        );
-        if (state === 'expired') {
-          throw new LicenseExpiredError('license is expired.');
-        }
-        if (state === 'inallocated') {
-          throw new LicenseNotAllocatedError('license is not allocated.');
-        }
-      }
       accountId = user.account_id;
       userId = user.id;
       country = user.account.country;
@@ -596,16 +559,6 @@ export class FilesService {
         }`,
       );
       switch (e.constructor) {
-        case LicenseExpiredError:
-          throw new HttpException(
-            makeErrorResponse('E010805'),
-            HttpStatus.BAD_REQUEST,
-          );
-        case LicenseNotAllocatedError:
-          throw new HttpException(
-            makeErrorResponse('E010812'),
-            HttpStatus.BAD_REQUEST,
-          );
         default:
           throw new HttpException(
             makeErrorResponse('E009999'),
diff --git a/dictation_server/src/features/tasks/tasks.module.ts b/dictation_server/src/features/tasks/tasks.module.ts
index c3e10e0..b95229b 100644
--- a/dictation_server/src/features/tasks/tasks.module.ts
+++ b/dictation_server/src/features/tasks/tasks.module.ts
@@ -8,6 +8,7 @@ import { UserGroupsRepositoryModule } from '../../repositories/user_groups/user_
 import { NotificationhubModule } from '../../gateways/notificationhub/notificationhub.module';
 import { SendGridModule } from '../../gateways/sendgrid/sendgrid.module';
 import { AccountsRepositoryModule } from '../../repositories/accounts/accounts.repository.module';
+import { LicensesRepositoryModule } from '../../repositories/licenses/licenses.repository.module';
 
 @Module({
   imports: [
@@ -18,6 +19,7 @@ import { AccountsRepositoryModule } from '../../repositories/accounts/accounts.r
     AdB2cModule,
     NotificationhubModule,
     SendGridModule,
+    LicensesRepositoryModule,
   ],
   providers: [TasksService],
   controllers: [TasksController],
diff --git a/dictation_server/src/features/tasks/tasks.service.spec.ts b/dictation_server/src/features/tasks/tasks.service.spec.ts
index 712f498..d50233a 100644
--- a/dictation_server/src/features/tasks/tasks.service.spec.ts
+++ b/dictation_server/src/features/tasks/tasks.service.spec.ts
@@ -25,7 +25,13 @@ import {
   makeTestSimpleAccount,
   makeTestUser,
 } from '../../common/test/utility';
-import { ADMIN_ROLES, TASK_STATUS, USER_ROLES } from '../../constants';
+import {
+  ADMIN_ROLES,
+  LICENSE_ALLOCATED_STATUS,
+  LICENSE_TYPE,
+  TASK_STATUS,
+  USER_ROLES,
+} from '../../constants';
 import { makeTestingModule } from '../../common/test/modules';
 import { createSortCriteria } from '../users/test/utility';
 import { createWorktype } from '../accounts/test/utility';
@@ -38,6 +44,9 @@ import { NotificationhubService } from '../../gateways/notificationhub/notificat
 import { Roles } from '../../common/types/role';
 import { TasksRepositoryService } from '../../repositories/tasks/tasks.repository.service';
 import { truncateAllTable } from '../../common/test/init';
+import { makeDefaultLicensesRepositoryMockValue } from '../accounts/test/accounts.service.mock';
+import { DateWithZeroTime } from '../licenses/types/types';
+import { createLicense } from '../licenses/test/utility';
 
 describe('TasksService', () => {
   it('タスク一覧を取得できる（admin）', async () => {
@@ -48,12 +57,15 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
       usersRepositoryMockValue,
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -122,6 +134,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     usersRepositoryMockValue.findUserByExternalId = new Error('DB failed');
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
@@ -129,6 +143,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -164,6 +179,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     tasksRepositoryMockValue.getTasksFromAccountId = new Error('DB failed');
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
@@ -171,6 +188,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -252,12 +270,15 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
       usersRepositoryMockValue,
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
     const userId = 'userId';
     const offset = 0;
@@ -292,6 +313,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     if (usersRepositoryMockValue.findUserByExternalId instanceof Error) {
       return;
     }
@@ -302,6 +325,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -376,6 +400,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     tasksRepositoryMockValue.getTasksFromAuthorIdAndAccountId = new Error(
       'DB failed',
     );
@@ -385,6 +411,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -420,6 +447,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     if (usersRepositoryMockValue.findUserByExternalId instanceof Error) {
       return;
     }
@@ -431,6 +460,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -508,12 +538,15 @@ describe('TasksService', () => {
     tasksRepositoryMockValue.getTasksFromTypistRelations = new Error(
       'DB failed',
     );
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
       usersRepositoryMockValue,
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -549,6 +582,8 @@ describe('TasksService', () => {
     const adb2cServiceMockValue = makeDefaultAdb2cServiceMockValue();
     const notificationhubServiceMockValue =
       makeDefaultNotificationhubServiceMockValue();
+    const licensesRepositoryMockValue =
+      makeDefaultLicensesRepositoryMockValue();
     adb2cServiceMockValue.getUsers = new Adb2cTooManyRequestsError();
     const service = await makeTasksServiceMock(
       tasksRepositoryMockValue,
@@ -556,6 +591,7 @@ describe('TasksService', () => {
       userGroupsRepositoryMockValue,
       adb2cServiceMockValue,
       notificationhubServiceMockValue,
+      licensesRepositoryMockValue,
     );
 
     const userId = 'userId';
@@ -1632,7 +1668,75 @@ describe('checkout', () => {
       user_group_id: null,
     });
   });
+  it('第五階層のアカウントの場合、有効なライセンスが割当されている場合チェックアウトできる', async () => {
+    if (!source) fail();
+    const module = await makeTestingModule(source);
+    if (!module) fail();
+    // 第五階層のアカウントを作成
+    const { id: accountId } = await makeTestSimpleAccount(source, { tier: 5 });
+    const { id: typistUserId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'typist-user-external-id',
+      role: 'typist',
+    });
+    const { id: authorUserId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'author-user-external-id',
+      role: 'author',
+      author_id: 'MY_AUTHOR_ID',
+    });
+    // 本日の日付を作成
+    const today = new Date();
+    // 有効なライセンスを作成して紐づける
+    await createLicense(
+      source,
+      1,
+      today,
+      accountId,
+      LICENSE_TYPE.NORMAL,
+      LICENSE_ALLOCATED_STATUS.ALLOCATED,
+      typistUserId,
+      null,
+      null,
+      null,
+    );
+    const { taskId } = await createTask(
+      source,
+      accountId,
+      authorUserId,
+      'MY_AUTHOR_ID',
+      '',
+      '01',
+      '00000001',
+      'Pending',
+    );
+    await createCheckoutPermissions(source, taskId, typistUserId);
 
+    const service = module.get<TasksService>(TasksService);
+
+    const initTask = await getTask(source, taskId);
+
+    await service.checkout(
+      makeContext('trackingId', 'requestId'),
+      1,
+      ['typist'],
+      'typist-user-external-id',
+    );
+    const resultTask = await getTask(source, taskId);
+    const permisions = await getCheckoutPermissions(source, taskId);
+
+    expect(resultTask?.status).toEqual('InProgress');
+    expect(resultTask?.typist_user_id).toEqual(typistUserId);
+    //タスクの元々のステータスがPending,Inprogressの場合、文字起こし開始時刻は更新されない
+    expect(resultTask?.started_at).toEqual(initTask?.started_at);
+    expect(permisions.length).toEqual(1);
+    expect(permisions[0]).toEqual({
+      id: 2,
+      task_id: 1,
+      user_id: 1,
+      user_group_id: null,
+    });
+  });
   it('ユーザーのRoleがTypistで、対象のタスクのStatus[Uploaded,Inprogress,Pending]以外の時、タスクをチェックアウトできない', async () => {
     if (!source) fail();
     const module = await makeTestingModule(source);
@@ -1678,7 +1782,116 @@ describe('checkout', () => {
       }
     }
   });
+  it('第五階層のアカウントの場合、ライセンスが未割当の場合チェックアウトできない', async () => {
+    if (!source) fail();
+    const module = await makeTestingModule(source);
+    if (!module) fail();
+    // 第五階層のアカウントを作成
+    const { id: accountId } = await makeTestSimpleAccount(source, { tier: 5 });
+    await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'typist-user-external-id',
+      role: 'typist',
+    });
+    const { id: authorUserId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'author-user-external-id',
+      role: 'author',
+      author_id: 'MY_AUTHOR_ID',
+    });
+    await createTask(
+      source,
+      accountId,
+      authorUserId,
+      'MY_AUTHOR_ID',
+      '',
+      '01',
+      '00000001',
+      'Backup',
+    );
 
+    const service = module.get<TasksService>(TasksService);
+    try {
+      await service.checkout(
+        makeContext('trackingId', 'requestId'),
+        1,
+        ['typist'],
+        'typist-user-external-id',
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010812'));
+      } else {
+        fail();
+      }
+    }
+  });
+  it('第五階層のアカウントの場合、ライセンスが有効期限切れの場合チェックアウトできない', async () => {
+    if (!source) fail();
+    const module = await makeTestingModule(source);
+    if (!module) fail();
+    // 第五階層のアカウントを作成
+    const { id: accountId } = await makeTestSimpleAccount(source, { tier: 5 });
+    const { id: typistUserId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'typist-user-external-id',
+      role: 'typist',
+    });
+    const { id: authorUserId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'author-user-external-id',
+      role: 'author',
+      author_id: 'MY_AUTHOR_ID',
+    });
+    // 昨日の日付を作成
+    let yesterday = new Date();
+    yesterday.setDate(yesterday.getDate() - 1);
+    yesterday = new DateWithZeroTime(yesterday);
+    // 期限切れのライセンスを作成して紐づける
+    await createLicense(
+      source,
+      1,
+      yesterday,
+      accountId,
+      LICENSE_TYPE.NORMAL,
+      LICENSE_ALLOCATED_STATUS.ALLOCATED,
+      typistUserId,
+      null,
+      null,
+      null,
+    );
+
+    await createTask(
+      source,
+      accountId,
+      authorUserId,
+      'MY_AUTHOR_ID',
+      '',
+      '01',
+      '00000001',
+      'Backup',
+    );
+
+    const service = module.get<TasksService>(TasksService);
+    try {
+      await service.checkout(
+        makeContext('trackingId', 'requestId'),
+        1,
+        ['typist'],
+        'typist-user-external-id',
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010805'));
+      } else {
+        fail();
+      }
+    }
+  });
   it('ユーザーのRoleがTypistで、チェックアウト権限が存在しない時、タスクをチェックアウトできない', async () => {
     if (!source) fail();
     const module = await makeTestingModule(source);
diff --git a/dictation_server/src/features/tasks/tasks.service.ts b/dictation_server/src/features/tasks/tasks.service.ts
index d56055b..7b7c127 100644
--- a/dictation_server/src/features/tasks/tasks.service.ts
+++ b/dictation_server/src/features/tasks/tasks.service.ts
@@ -9,7 +9,13 @@ import {
   SortDirection,
   TaskListSortableAttribute,
 } from '../../common/types/sort';
-import { ADMIN_ROLES, TASK_STATUS, USER_ROLES } from '../../constants';
+import {
+  ADMIN_ROLES,
+  TASK_STATUS,
+  TIERS,
+  USER_LICENSE_STATUS,
+  USER_ROLES,
+} from '../../constants';
 import {
   AdB2cService,
   Adb2cTooManyRequestsError,
@@ -36,6 +42,12 @@ import { User } from '../../repositories/users/entity/user.entity';
 import { SendGridService } from '../../gateways/sendgrid/sendgrid.service';
 import { getUserNameAndMailAddress } from '../../gateways/adb2c/utils/utils';
 import { AccountsRepositoryService } from '../../repositories/accounts/accounts.repository.service';
+import { AccountNotFoundError } from '../../repositories/accounts/errors/types';
+import {
+  LicenseExpiredError,
+  LicenseNotAllocatedError,
+} from '../../repositories/licenses/errors/types';
+import { LicensesRepositoryService } from '../../repositories/licenses/licenses.repository.service';
 
 @Injectable()
 export class TasksService {
@@ -48,6 +60,7 @@ export class TasksService {
     private readonly adB2cService: AdB2cService,
     private readonly sendgridService: SendGridService,
     private readonly notificationhubService: NotificationhubService,
+    private readonly licensesRepository: LicensesRepositoryService,
   ) {}
 
   async getTasks(
@@ -276,9 +289,26 @@ export class TasksService {
         } | params: { audioFileId: ${audioFileId}, roles: ${roles}, externalId: ${externalId} };`,
       );
 
-      const { id, account_id, author_id } =
+      const { id, account_id, author_id, account } =
         await this.usersRepository.findUserByExternalId(context, externalId);
 
+      if (!account) {
+        throw new AccountNotFoundError('account not found.');
+      }
+      // 第五階層のみチェック
+      if (account.tier === TIERS.TIER5) {
+        // ライセンスが有効でない場合、エラー
+        const { state } = await this.licensesRepository.getLicenseState(
+          context,
+          id,
+        );
+        if (state === USER_LICENSE_STATUS.EXPIRED) {
+          throw new LicenseExpiredError('license is expired.');
+        }
+        if (state === USER_LICENSE_STATUS.UNALLOCATED) {
+          throw new LicenseNotAllocatedError('license is not allocated.');
+        }
+      }
       if (roles.includes(USER_ROLES.AUTHOR)) {
         // API実行者がAuthorで、AuthorIDが存在しないことは想定外のため、エラーとする
         if (!author_id) {
@@ -308,6 +338,16 @@ export class TasksService {
       this.logger.error(`[${context.getTrackingId()}] error=${e}`);
       if (e instanceof Error) {
         switch (e.constructor) {
+          case LicenseExpiredError:
+            throw new HttpException(
+              makeErrorResponse('E010805'),
+              HttpStatus.BAD_REQUEST,
+            );
+          case LicenseNotAllocatedError:
+            throw new HttpException(
+              makeErrorResponse('E010812'),
+              HttpStatus.BAD_REQUEST,
+            );
           case CheckoutPermissionNotFoundError:
           case TaskAuthorIdNotMatchError:
           case InvalidRoleError:
diff --git a/dictation_server/src/features/tasks/test/tasks.service.mock.ts b/dictation_server/src/features/tasks/test/tasks.service.mock.ts
index 70dc66a..024f763 100644
--- a/dictation_server/src/features/tasks/test/tasks.service.mock.ts
+++ b/dictation_server/src/features/tasks/test/tasks.service.mock.ts
@@ -17,6 +17,11 @@ import { NotificationhubService } from '../../../gateways/notificationhub/notifi
 import { UserGroupsRepositoryService } from '../../../repositories/user_groups/user_groups.repository.service';
 import { AccountsRepositoryService } from '../../../repositories/accounts/accounts.repository.service';
 import { SendGridService } from '../../../gateways/sendgrid/sendgrid.service';
+import {
+  LicensesRepositoryMockValue,
+  makeLicensesRepositoryMock,
+} from '../../accounts/test/accounts.service.mock';
+import { LicensesRepositoryService } from '../../../repositories/licenses/licenses.repository.service';
 
 export type TasksRepositoryMockValue = {
   getTasksFromAccountId:
@@ -65,6 +70,7 @@ export const makeTasksServiceMock = async (
   userGroupsRepositoryMockValue: UserGroupsRepositoryMockValue,
   adB2CServiceMockValue: AdB2CServiceMockValue,
   notificationhubServiceMockValue: NotificationhubServiceMockValue,
+  licensesRepositoryMockValue: LicensesRepositoryMockValue,
 ): Promise<{
   tasksService: TasksService;
   taskRepoService: TasksRepositoryService;
@@ -92,6 +98,8 @@ export const makeTasksServiceMock = async (
         // メール送信でしか利用しておらず、テストする必要がないが、依存関係解決のため空オブジェクトを定義しておく。
         case SendGridService:
           return {};
+        case LicensesRepositoryService:
+          return makeLicensesRepositoryMock(licensesRepositoryMockValue);
       }
     })
     .compile();
diff --git a/dictation_server/src/features/users/types/types.ts b/dictation_server/src/features/users/types/types.ts
index 80b1a13..7cd4e44 100644
--- a/dictation_server/src/features/users/types/types.ts
+++ b/dictation_server/src/features/users/types/types.ts
@@ -9,7 +9,7 @@ import {
 } from 'class-validator';
 import {
   TASK_LIST_SORTABLE_ATTRIBUTES,
-  USER_LICENSE_STATUS,
+  USER_LICENSE_EXPIRY_STATUS,
 } from '../../../constants';
 import { USER_ROLES } from '../../../constants';
 import {
@@ -67,9 +67,9 @@ export class User {
   remaining?: number;
 
   @ApiProperty({
-    description: `${Object.values(USER_LICENSE_STATUS).join('/')}`,
+    description: `${Object.values(USER_LICENSE_EXPIRY_STATUS).join('/')}`,
   })
-  @IsIn(Object.values(USER_LICENSE_STATUS), {
+  @IsIn(Object.values(USER_LICENSE_EXPIRY_STATUS), {
     message: 'invalid license status',
   })
   licenseStatus: string;
diff --git a/dictation_server/src/features/users/users.service.spec.ts b/dictation_server/src/features/users/users.service.spec.ts
index 8e4a9fe..cb27055 100644
--- a/dictation_server/src/features/users/users.service.spec.ts
+++ b/dictation_server/src/features/users/users.service.spec.ts
@@ -22,7 +22,7 @@ import {
   LICENSE_EXPIRATION_THRESHOLD_DAYS,
   LICENSE_TYPE,
   USER_AUDIO_FORMAT,
-  USER_LICENSE_STATUS,
+  USER_LICENSE_EXPIRY_STATUS,
   USER_ROLES,
 } from '../../constants';
 import { makeTestingModule } from '../../common/test/modules';
@@ -1479,7 +1479,7 @@ describe('UsersService.getUsers', () => {
         prompt: false,
         expiration: undefined,
         remaining: undefined,
-        licenseStatus: USER_LICENSE_STATUS.NO_LICENSE,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.NO_LICENSE,
       },
       {
         id: typistUserId,
@@ -1495,7 +1495,7 @@ describe('UsersService.getUsers', () => {
         prompt: false,
         expiration: undefined,
         remaining: undefined,
-        licenseStatus: USER_LICENSE_STATUS.NO_LICENSE,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.NO_LICENSE,
       },
       {
         id: noneUserId,
@@ -1511,7 +1511,7 @@ describe('UsersService.getUsers', () => {
         prompt: false,
         expiration: undefined,
         remaining: undefined,
-        licenseStatus: USER_LICENSE_STATUS.NO_LICENSE,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.NO_LICENSE,
       },
     ];
 
@@ -1591,7 +1591,7 @@ describe('UsersService.getUsers', () => {
           date1.getMonth() + 1
         }/${date1.getDate()}`,
         remaining: LICENSE_EXPIRATION_THRESHOLD_DAYS + 1,
-        licenseStatus: USER_LICENSE_STATUS.NORMAL,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.NORMAL,
       },
       {
         id: user2,
@@ -1609,7 +1609,7 @@ describe('UsersService.getUsers', () => {
           date2.getMonth() + 1
         }/${date2.getDate()}`,
         remaining: LICENSE_EXPIRATION_THRESHOLD_DAYS,
-        licenseStatus: USER_LICENSE_STATUS.RENEW,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.RENEW,
       },
       {
         id: user3,
@@ -1627,7 +1627,7 @@ describe('UsersService.getUsers', () => {
           date3.getMonth() + 1
         }/${date3.getDate()}`,
         remaining: LICENSE_EXPIRATION_THRESHOLD_DAYS - 1,
-        licenseStatus: USER_LICENSE_STATUS.ALERT,
+        licenseStatus: USER_LICENSE_EXPIRY_STATUS.ALERT,
       },
     ];
 
diff --git a/dictation_server/src/features/users/users.service.ts b/dictation_server/src/features/users/users.service.ts
index e48e24f..359f163 100644
--- a/dictation_server/src/features/users/users.service.ts
+++ b/dictation_server/src/features/users/users.service.ts
@@ -37,7 +37,7 @@ import {
   MANUAL_RECOVERY_REQUIRED,
   OPTION_ITEM_VALUE_TYPE_NUMBER,
   USER_AUDIO_FORMAT,
-  USER_LICENSE_STATUS,
+  USER_LICENSE_EXPIRY_STATUS,
   USER_ROLES,
 } from '../../constants';
 import { DateWithZeroTime } from '../licenses/types/types';
@@ -617,7 +617,7 @@ export class UsersService {
           throw new Error('mail not found.');
         }
 
-        let status = USER_LICENSE_STATUS.NORMAL;
+        let status = USER_LICENSE_EXPIRY_STATUS.NORMAL;
 
         // ライセンスの有効期限と残日数は、ライセンスが存在する場合のみ算出する
         // ライセンスが存在しない場合は、undefinedのままとする
@@ -648,11 +648,11 @@ export class UsersService {
             remaining <= LICENSE_EXPIRATION_THRESHOLD_DAYS
           ) {
             status = dbUser.auto_renew
-              ? USER_LICENSE_STATUS.RENEW
-              : USER_LICENSE_STATUS.ALERT;
+              ? USER_LICENSE_EXPIRY_STATUS.RENEW
+              : USER_LICENSE_EXPIRY_STATUS.ALERT;
           }
         } else {
-          status = USER_LICENSE_STATUS.NO_LICENSE;
+          status = USER_LICENSE_EXPIRY_STATUS.NO_LICENSE;
         }
 
         return {
diff --git a/dictation_server/src/repositories/licenses/licenses.repository.service.ts b/dictation_server/src/repositories/licenses/licenses.repository.service.ts
index 9f9cb85..5aeb576 100644
--- a/dictation_server/src/repositories/licenses/licenses.repository.service.ts
+++ b/dictation_server/src/repositories/licenses/licenses.repository.service.ts
@@ -15,6 +15,7 @@ import {
   NODE_ENV_TEST,
   SWITCH_FROM_TYPE,
   TIERS,
+  USER_LICENSE_STATUS,
 } from '../../constants';
 import {
   PoNumberAlreadyExistError,
@@ -806,12 +807,17 @@ export class LicensesRepositoryService {
    * ライセンスの割当状態を取得します
    * @param userId ユーザーID
    * @error { Error } DBアクセス失敗時の例外
-   * @returns Promise<{ state: 'allocated' | 'inallocated' | 'expired' }>
+   * @returns Promise<{ state: 'allocated' | 'unallocated' | 'expired' }>
    */
   async getLicenseState(
     context: Context,
     userId: number,
-  ): Promise<{ state: 'allocated' | 'inallocated' | 'expired' }> {
+  ): Promise<{
+    state:
+      | typeof USER_LICENSE_STATUS.ALLOCATED
+      | typeof USER_LICENSE_STATUS.UNALLOCATED
+      | typeof USER_LICENSE_STATUS.EXPIRED;
+  }> {
     const allocatedLicense = await this.dataSource
       .getRepository(License)
       .findOne({
@@ -824,7 +830,7 @@ export class LicensesRepositoryService {
 
     // ライセンスが割り当てられていない場合は未割当状態
     if (allocatedLicense == null) {
-      return { state: 'inallocated' };
+      return { state: USER_LICENSE_STATUS.UNALLOCATED };
     }
 
     // ライセンスの有効期限が過ぎている場合は期限切れ状態
@@ -833,9 +839,9 @@ export class LicensesRepositoryService {
       allocatedLicense.expiry_date &&
       allocatedLicense.expiry_date < currentDate
     ) {
-      return { state: 'expired' };
+      return { state: USER_LICENSE_STATUS.EXPIRED };
     }
 
-    return { state: 'allocated' };
+    return { state: USER_LICENSE_STATUS.ALLOCATED };
   }
 }