diff --git a/dictation_server/src/features/files/files.controller.ts b/dictation_server/src/features/files/files.controller.ts
index af41275..f8b4328 100644
--- a/dictation_server/src/features/files/files.controller.ts
+++ b/dictation_server/src/features/files/files.controller.ts
@@ -338,9 +338,7 @@ export class FilesController {
   })
   @ApiBearerAuth()
   @UseGuards(AuthGuard)
-  @UseGuards(
-    RoleGuard.requireds({ roles: [USER_ROLES.AUTHOR, USER_ROLES.TYPIST] }),
-  )
+  @UseGuards(RoleGuard.requireds({ roles: [USER_ROLES.TYPIST] }))
   async downloadTemplateLocation(
     @Req() req: Request,
     @Query() body: TemplateDownloadLocationRequest,
diff --git a/dictation_server/src/features/files/files.service.spec.ts b/dictation_server/src/features/files/files.service.spec.ts
index d32d081..89c9f68 100644
--- a/dictation_server/src/features/files/files.service.spec.ts
+++ b/dictation_server/src/features/files/files.service.spec.ts
@@ -34,7 +34,12 @@ import { TasksRepositoryService } from '../../repositories/tasks/tasks.repositor
 import { NotificationhubService } from '../../gateways/notificationhub/notificationhub.service';
 import { getCheckoutPermissions, getTask } from '../tasks/test/utility';
 import { DateWithZeroTime } from '../licenses/types/types';
-import { LICENSE_ALLOCATED_STATUS, LICENSE_TYPE } from '../../constants';
+import {
+  LICENSE_ALLOCATED_STATUS,
+  LICENSE_TYPE,
+  TASK_STATUS,
+  USER_ROLES,
+} from '../../constants';
 
 describe('publishUploadSas', () => {
   let source: DataSource | null = null;
@@ -1505,15 +1510,11 @@ 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SASトークンが乗っているURLを取得できる', async () => {
     if (!source) fail();
     const { id: accountId } = await makeTestSimpleAccount(source);
-    const { external_id: externalId, author_id: authorId } = await makeTestUser(
-      source,
-      {
-        account_id: accountId,
-        external_id: 'author-user-external-id',
-        role: 'author',
-        author_id: 'AUTHOR_ID',
-      },
-    );
+    const { external_id: externalId, id: userId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
+    });
     const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/Templates`;
 
     const { audioFileId } = await createTask(
@@ -1521,9 +1522,9 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       accountId,
       url,
       'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
+      TASK_STATUS.IN_PROGRESS,
+      userId,
+      'AUTHOR_ID',
     );
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1539,13 +1540,12 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    expect(
-      await service.publishTemplateFileDownloadSas(
-        makeContext('tracking', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).toEqual(`${url}?sas-token`);
+    const resultUrl = await service.publishTemplateFileDownloadSas(
+      makeContext('tracking', 'requestId'),
+      externalId,
+      audioFileId,
+    );
+    expect(resultUrl).toBe(`${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();
@@ -1557,15 +1557,10 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       parent_account_id: tier4Accounts[0].account.id,
       tier: 5,
     });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
+    const { external_id: externalId, id: userId } = await makeTestUser(source, {
       account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
     });
     // 本日の日付を作成
     let yesterday = new Date();
@@ -1591,9 +1586,9 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       tier5Accounts.account.id,
       url,
       'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
+      TASK_STATUS.IN_PROGRESS,
+      userId,
+      'AUTHOR_ID',
     );
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1609,22 +1604,20 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    expect(
-      await service.publishTemplateFileDownloadSas(
-        makeContext('trackingId', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).toEqual(`${url}?sas-token`);
+    const resultUrl = await service.publishTemplateFileDownloadSas(
+      makeContext('trackingId', 'requestId'),
+      externalId,
+      audioFileId,
+    );
+    expect(resultUrl).toBe(`${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 () => {
+  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);
     const { external_id: externalId, id: userId } = await makeTestUser(source, {
       account_id: accountId,
       external_id: 'typist-user-external-id',
-      role: 'typist',
-      author_id: undefined,
+      role: USER_ROLES.TYPIST,
     });
     const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/Templates`;
 
@@ -1633,7 +1626,7 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       accountId,
       url,
       'test.zip',
-      'Finished',
+      TASK_STATUS.FINISHED,
       userId,
     );
 
@@ -1650,31 +1643,35 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('tracking', 'requestId'),
         externalId,
         audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010603'), HttpStatus.BAD_REQUEST),
-    );
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010603'));
+      } else {
+        fail();
+      }
+    }
   });
 
-  it('Typistの場合、自身が担当するタスクでない場合エラー', async () => {
+  it('自身が担当するタスクでない場合エラー', async () => {
     if (!source) fail();
     const { id: accountId } = await makeTestSimpleAccount(source);
     const { external_id: externalId } = await makeTestUser(source, {
       account_id: accountId,
       external_id: 'typist-user-external-id',
-      role: 'typist',
-      author_id: undefined,
+      role: USER_ROLES.TYPIST,
     });
     const { id: otherId } = await makeTestUser(source, {
       account_id: accountId,
       external_id: 'other-typist-user-external-id',
-      role: 'typist',
-      author_id: undefined,
+      role: USER_ROLES.TYPIST,
     });
     const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/Templates`;
 
@@ -1683,7 +1680,7 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       accountId,
       url,
       'test.zip',
-      'InProgress',
+      TASK_STATUS.IN_PROGRESS,
       otherId,
     );
 
@@ -1700,60 +1697,21 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('tracking', 'requestId'),
         externalId,
         audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010603'), HttpStatus.BAD_REQUEST),
-    );
-  });
-
-  it('Authorの場合、自身が登録したタスクでない場合エラー', async () => {
-    if (!source) fail();
-    const { id: accountId } = await makeTestSimpleAccount(source);
-    const { external_id: externalId } = await makeTestUser(source, {
-      account_id: accountId,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
-    });
-    const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/Templates`;
-
-    const { audioFileId } = await createTask(
-      source,
-      accountId,
-      url,
-      'test.zip',
-      'InProgress',
-      undefined,
-      'OTHOR_ID',
-    );
-
-    const blobParam = makeBlobstorageServiceMockValue();
-    blobParam.publishDownloadSas = `${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);
-
-    await expect(
-      service.publishTemplateFileDownloadSas(
-        makeContext('tracking', 'requestId'),
-        externalId,
-        audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010603'), HttpStatus.BAD_REQUEST),
-    );
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010603'));
+      } else {
+        fail();
+      }
+    }
   });
 
   it('Taskが存在しない場合はエラーとなる', async () => {
@@ -1761,9 +1719,8 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     const { id: accountId } = await makeTestSimpleAccount(source);
     const { external_id: externalId } = await makeTestUser(source, {
       account_id: accountId,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
     });
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1777,29 +1734,31 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('tracking', 'requestId'),
         externalId,
         1,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010603'), HttpStatus.BAD_REQUEST),
-    );
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010603'));
+      } else {
+        fail();
+      }
+    }
   });
 
   it('blobストレージにファイルが存在しない場合はエラーとなる', async () => {
     if (!source) fail();
     const { id: accountId } = await makeTestSimpleAccount(source);
-    const { external_id: externalId, author_id: authorId } = await makeTestUser(
-      source,
-      {
-        account_id: accountId,
-        external_id: 'author-user-external-id',
-        role: 'author',
-        author_id: 'AUTHOR_ID',
-      },
-    );
+    const { external_id: externalId, id: userId } = await makeTestUser(source, {
+      account_id: accountId,
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
+    });
     const url = `https://saodmsusdev.blob.core.windows.net/account-${accountId}/Templates`;
 
     const { audioFileId } = await createTask(
@@ -1807,9 +1766,9 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       accountId,
       url,
       'test.zip',
-      'InProgress',
-      undefined,
-      authorId ?? '',
+      TASK_STATUS.IN_PROGRESS,
+      userId,
+      'AUTHOR_ID',
     );
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1825,15 +1784,21 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('tracking', 'requestId'),
         externalId,
         audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010701'), HttpStatus.BAD_REQUEST),
-    );
+      );
+      fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010701'));
+      } else {
+        fail();
+      }
+    }
   });
   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();
@@ -1845,15 +1810,10 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       parent_account_id: tier4Accounts[0].account.id,
       tier: 5,
     });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
+    const { external_id: externalId, id: userId } = await makeTestUser(source, {
       account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
     });
     const url = `https://saodmsusdev.blob.core.windows.net/account-${tier5Accounts.account.id}/${userId}`;
 
@@ -1862,9 +1822,9 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       tier5Accounts.account.id,
       url,
       'test.zip',
-      'InProgress',
+      TASK_STATUS.IN_PROGRESS,
       undefined,
-      authorId ?? '',
+      'AUTHOR_ID',
     );
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1880,15 +1840,21 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('trackingId', 'requestId'),
         externalId,
         audioFileId,
-      ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010812'), HttpStatus.BAD_REQUEST),
-    );
+      );
+      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();
@@ -1900,15 +1866,10 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       parent_account_id: tier4Accounts[0].account.id,
       tier: 5,
     });
-    const {
-      external_id: externalId,
-      id: userId,
-      author_id: authorId,
-    } = await makeTestUser(source, {
+    const { external_id: externalId, id: userId } = await makeTestUser(source, {
       account_id: tier5Accounts.account.id,
-      external_id: 'author-user-external-id',
-      role: 'author',
-      author_id: 'AUTHOR_ID',
+      external_id: 'typist-user-external-id',
+      role: USER_ROLES.TYPIST,
     });
     // 昨日の日付を作成
     let yesterday = new Date();
@@ -1934,9 +1895,9 @@ describe('テンプレートファイルダウンロードURL取得', () => {
       tier5Accounts.account.id,
       url,
       'test.zip',
-      'InProgress',
+      TASK_STATUS.IN_PROGRESS,
       undefined,
-      authorId ?? '',
+      'AUTHOR_ID',
     );
 
     const blobParam = makeBlobstorageServiceMockValue();
@@ -1952,15 +1913,21 @@ describe('テンプレートファイルダウンロードURL取得', () => {
     if (!module) fail();
     const service = module.get<FilesService>(FilesService);
 
-    await expect(
-      service.publishTemplateFileDownloadSas(
+    try {
+      await service.publishTemplateFileDownloadSas(
         makeContext('trackingId', 'requestId'),
         externalId,
         audioFileId,
       ),
-    ).rejects.toEqual(
-      new HttpException(makeErrorResponse('E010805'), HttpStatus.BAD_REQUEST),
-    );
+        fail();
+    } catch (e) {
+      if (e instanceof HttpException) {
+        expect(e.getStatus()).toBe(HttpStatus.BAD_REQUEST);
+        expect(e.getResponse()).toEqual(makeErrorResponse('E010805'));
+      } else {
+        fail();
+      }
+    }
   });
 });
 
diff --git a/dictation_server/src/features/files/files.service.ts b/dictation_server/src/features/files/files.service.ts
index 8e73b0a..6c1b558 100644
--- a/dictation_server/src/features/files/files.service.ts
+++ b/dictation_server/src/features/files/files.service.ts
@@ -474,7 +474,7 @@ export class FilesService {
 
         // ユーザーがTypistの場合、自身が担当したタスクでない場合はエラー
         if (isTypist && task.typist_user_id !== userId) {
-          throw new AuthorUserNotMatchError(
+          throw new TypistUserNotFoundError(
             `task typist is not match. audio_file_id:${audioFileId}, task.typist_user_id:${task.typist_user_id}, userId:${userId}`,
           );
         }
@@ -563,8 +563,6 @@ export class FilesService {
     let accountId: number;
     let userId: number;
     let country: string;
-    let isTypist: boolean;
-    let authorId: string | undefined;
     try {
       const user = await this.usersRepository.findUserByExternalId(
         context,
@@ -590,8 +588,6 @@ export class FilesService {
       accountId = user.account_id;
       userId = user.id;
       country = user.account.country;
-      isTypist = user.role === USER_ROLES.TYPIST;
-      authorId = user.author_id ?? undefined;
     } catch (e) {
       this.logger.error(`[${context.getTrackingId()}] error=${e}`);
       this.logger.log(
@@ -619,27 +615,13 @@ export class FilesService {
     }
 
     try {
-      const status = isTypist
-        ? [TASK_STATUS.IN_PROGRESS, TASK_STATUS.PENDING]
-        : Object.values(TASK_STATUS);
-
       const task = await this.tasksRepository.getTaskAndAudioFile(
         context,
         audioFileId,
         accountId,
-        status,
+        [TASK_STATUS.IN_PROGRESS, TASK_STATUS.PENDING],
       );
-      const { file } = task;
-
-      // タスクに紐づく音声ファイルだけが消される場合がある。
-      // その場合はダウンロード不可なので不在エラーとして扱う
-      if (!file) {
-        throw new AudioFileNotFoundError(
-          `Audio file is not exists in DB. audio_file_id:${audioFileId}`,
-        );
-      }
-
-      const template_file = task.template_file;
+      const { template_file } = task;
 
       // タスクに紐づくテンプレートファイルがない場合がある。
       // その場合はダウンロード不可なので不在エラーとして扱う
@@ -649,16 +631,9 @@ export class FilesService {
         );
       }
 
-      // ユーザーがAuthorの場合、自身が追加したタスクでない場合はエラー
-      if (!isTypist && file.author_id !== authorId) {
-        throw new AuthorUserNotMatchError(
-          `task author is not match. audio_file_id:${audioFileId}, task.file.author_id:${file.author_id}, authorId:${authorId}`,
-        );
-      }
-
-      // ユーザーがTypistの場合、自身が担当したタスクでない場合はエラー
-      if (isTypist && task.typist_user_id !== userId) {
-        throw new AuthorUserNotMatchError(
+      // ユーザー自身が担当したタスクでない場合はエラー
+      if (task.typist_user_id !== userId) {
+        throw new TypistUserNotFoundError(
           `task typist is not match. audio_file_id:${audioFileId}, task.typist_user_id:${task.typist_user_id}, userId:${userId}`,
         );
       }
@@ -693,7 +668,6 @@ export class FilesService {
           case TasksNotFoundError:
           case AccountNotMatchError:
           case StatusNotMatchError:
-          case AuthorUserNotMatchError:
           case TypistUserNotFoundError:
             throw new HttpException(
               makeErrorResponse('E010603'),