diff --git a/dictation_client/src/features/workflow/worktype/worktypeSlice.ts b/dictation_client/src/features/workflow/worktype/worktypeSlice.ts
index 224e7e3..3a358ca 100644
--- a/dictation_client/src/features/workflow/worktype/worktypeSlice.ts
+++ b/dictation_client/src/features/workflow/worktype/worktypeSlice.ts
@@ -45,7 +45,7 @@ export const worktypeSlice = createSlice({
       action: PayloadAction<{ worktypeId: string }>
     ) => {
       const { worktypeId } = action.payload;
-      state.apps.worktypeId = worktypeId;
+      state.apps.worktypeId = worktypeId.toUpperCase();
     },
     changeDescription: (
       state,
@@ -65,7 +65,12 @@ export const worktypeSlice = createSlice({
         optionItem.defaultValueType !== OPTION_ITEMS_DEFAULT_VALUE_TYPE.DEFAULT
       ) {
         optionItem.initialValue = "";
+      } else {
+        // defaultValueTypeがDefaultの場合はinitialValueを大文字にする
+        optionItem.initialValue = optionItem.initialValue.toUpperCase();
       }
+      // itemLabelを大文字にする
+      optionItem.itemLabel = optionItem.itemLabel.toUpperCase();
 
       // idが一致するoptionItemを削除して、新しいoptionItemを追加する。一致するidがない場合は何もしない
       const optionItems = state.apps.optionItems?.filter(
diff --git a/dictation_server/src/common/validators/authorId.validator.ts b/dictation_server/src/common/validators/authorId.validator.ts
new file mode 100644
index 0000000..02ad278
--- /dev/null
+++ b/dictation_server/src/common/validators/authorId.validator.ts
@@ -0,0 +1,36 @@
+import {
+  ValidatorConstraint,
+  ValidatorConstraintInterface,
+  ValidationArguments,
+  ValidationOptions,
+  registerDecorator,
+} from 'class-validator';
+
+// 大文字英数字とアンダースコアのみを許可するバリデータ
+@ValidatorConstraint({ name: 'IsAuthorId', async: false })
+export class IsAuthorId implements ValidatorConstraintInterface {
+  validate(value: any, args: ValidationArguments) {
+    return /^[A-Z0-9_]*$/.test(value);
+  }
+  defaultMessage(args: ValidationArguments) {
+    return `${args.property} should be uppercase alphanumeric and underscore only`;
+  }
+}
+
+/**
+ * 大文字英数字のみを許可するバリデータ
+ * @param [validationOptions]
+ * @returns
+ */
+export function IsAuthorIdValid(validationOptions?: ValidationOptions) {
+  return function (object: object, propertyName: string) {
+    registerDecorator({
+      name: 'IsAuthorId',
+      target: object.constructor,
+      propertyName: propertyName,
+      constraints: [],
+      options: validationOptions,
+      validator: IsAuthorId,
+    });
+  };
+}
diff --git a/dictation_server/src/common/validators/worktype.validator.ts b/dictation_server/src/common/validators/worktype.validator.ts
index 761e9fa..6a97a50 100644
--- a/dictation_server/src/common/validators/worktype.validator.ts
+++ b/dictation_server/src/common/validators/worktype.validator.ts
@@ -19,7 +19,7 @@ export class IsRecorderAllowedCharacters
     }
 
     // 正規表現でWorktypeIDのチェックを行う
-    // 以下の禁則文字を除く半角英数記号
+    // 以下の禁則文字を除く大文字英数記号
     // \ (backslash)
     // / (forward slash)
     // : (colon)
@@ -31,7 +31,7 @@ export class IsRecorderAllowedCharacters
     // | (vertical bar)
     // . (period)
     const regex =
-      /^(?!.*\\)(?!.*\/)(?!.*:)(?!.*\*)(?!.*\?)(?!.*")(?!.*<)(?!.*>)(?!.*\|)(?!.*\.)[ -~]+$/;
+      /^(?!.*\\)(?!.*\/)(?!.*:)(?!.*\*)(?!.*\?)(?!.*")(?!.*<)(?!.*>)(?!.*\|)(?!.*\.)[A-Z0-9 !#$%&'()+,\-;=@\[\]^_`{}~]*$/;
     return regex.test(value);
   }
 
diff --git a/dictation_server/src/features/accounts/accounts.service.spec.ts b/dictation_server/src/features/accounts/accounts.service.spec.ts
index d661635..29c5899 100644
--- a/dictation_server/src/features/accounts/accounts.service.spec.ts
+++ b/dictation_server/src/features/accounts/accounts.service.spec.ts
@@ -134,8 +134,8 @@ describe('createAccount', () => {
       },
     });
 
-    let _subject: string = "";
-    let _url: string | undefined = "";
+    let _subject: string = '';
+    let _url: string | undefined = '';
     overrideSendgridService(service, {
       sendMail: async (
         context: Context,
@@ -197,7 +197,9 @@ describe('createAccount', () => {
 
     // 想定通りのメールが送られているか確認
     expect(_subject).toBe('User Registration Notification [U-102]');
-    expect(_url?.startsWith('http://localhost:8081/mail-confirm?verify=')).toBeTruthy();
+    expect(
+      _url?.startsWith('http://localhost:8081/mail-confirm?verify='),
+    ).toBeTruthy();
   });
 
   it('アカウントを作成がAzure AD B2Cへの通信失敗によって失敗すると500エラーが発生する', async () => {
@@ -5727,8 +5729,8 @@ describe('アカウント情報更新', () => {
     const module = await makeTestingModule(source);
     if (!module) fail();
     const service = module.get<AccountsService>(AccountsService);
-    let _subject: string = "";
-    let _url: string | undefined = "";
+    let _subject: string = '';
+    let _url: string | undefined = '';
     overrideSendgridService(service, {
       sendMail: async (
         context: Context,
diff --git a/dictation_server/src/features/licenses/licenses.service.spec.ts b/dictation_server/src/features/licenses/licenses.service.spec.ts
index cdc56b2..69b6530 100644
--- a/dictation_server/src/features/licenses/licenses.service.spec.ts
+++ b/dictation_server/src/features/licenses/licenses.service.spec.ts
@@ -18,14 +18,21 @@ import {
 } from './test/utility';
 import { UsersService } from '../users/users.service';
 import { Context, makeContext } from '../../common/log';
-import { ADB2C_SIGN_IN_TYPE, LICENSE_ALLOCATED_STATUS, LICENSE_TYPE } from '../../constants';
+import {
+  ADB2C_SIGN_IN_TYPE,
+  LICENSE_ALLOCATED_STATUS,
+  LICENSE_TYPE,
+} from '../../constants';
 import {
   makeHierarchicalAccounts,
   makeTestSimpleAccount,
   makeTestUser,
 } from '../../common/test/utility';
 import { LicensesRepositoryService } from '../../repositories/licenses/licenses.repository.service';
-import { overrideAdB2cService, overrideSendgridService } from '../../common/test/overrides';
+import {
+  overrideAdB2cService,
+  overrideSendgridService,
+} from '../../common/test/overrides';
 import { truncateAllTable } from '../../common/test/init';
 
 describe('ライセンス注文', () => {
@@ -672,7 +679,10 @@ describe('ライセンス割り当て', () => {
     const module = await makeTestingModule(source);
     if (!module) fail();
 
-    const { id: dealerId } = await makeTestSimpleAccount(source, { company_name: "DEALER_COMPANY", tier: 4 });
+    const { id: dealerId } = await makeTestSimpleAccount(source, {
+      company_name: 'DEALER_COMPANY',
+      tier: 4,
+    });
     const { id: dealerAdminId } = await makeTestUser(source, {
       account_id: dealerId,
       external_id: 'userId_admin',
@@ -682,7 +692,7 @@ describe('ライセンス割り当て', () => {
 
     const { id: accountId } = await makeTestSimpleAccount(source, {
       parent_account_id: dealerId,
-      tier: 5
+      tier: 5,
     });
     const { id: userId } = await makeTestUser(source, {
       account_id: accountId,
@@ -740,7 +750,7 @@ describe('ライセンス割り当て', () => {
             },
           ],
         }));
-      }
+      },
     });
 
     overrideSendgridService(service, {
diff --git a/dictation_server/src/features/tasks/test/utility.ts b/dictation_server/src/features/tasks/test/utility.ts
index 9931b6b..0f21df0 100644
--- a/dictation_server/src/features/tasks/test/utility.ts
+++ b/dictation_server/src/features/tasks/test/utility.ts
@@ -138,9 +138,8 @@ export const createTask = async (
       label: `label${i}:audio_file_id${audioFileIdentifiers[0].id}`,
       value: `value${i}:audio_file_id${audioFileIdentifiers[0].id}`,
     };
-  }
-  );
-  
+  });
+
   await datasource.getRepository(AudioOptionItem).insert(audioOptionItems);
 
   const audioFile = audioFileIdentifiers.pop() as AudioFile;
@@ -161,7 +160,7 @@ export const createTask = async (
   return { taskId: task.id, audioFileId: audioFile.id };
 };
 
-export const createAudioFile = async(
+export const createAudioFile = async (
   datasource: DataSource,
   account_id: number,
   owner_user_id: number,
@@ -189,7 +188,7 @@ export const createAudioFile = async(
     });
   const audioFile = audioFileIdentifiers.pop() as AudioFile;
   return { audioFileId: audioFile.id };
-}
+};
 
 /**
  *
diff --git a/dictation_server/src/features/users/types/types.ts b/dictation_server/src/features/users/types/types.ts
index 7cd4e44..6f4edf9 100644
--- a/dictation_server/src/features/users/types/types.ts
+++ b/dictation_server/src/features/users/types/types.ts
@@ -18,6 +18,7 @@ import {
 } from '../../../common/validators/encryptionPassword.validator';
 import { IsRoleAuthorDataValid } from '../../../common/validators/roleAuthor.validator';
 import { Type } from 'class-transformer';
+import { IsAuthorIdValid } from '../../../common/validators/authorId.validator';
 
 export class ConfirmRequest {
   @ApiProperty()
@@ -90,6 +91,7 @@ export class SignupRequest {
 
   @ApiProperty({ required: false })
   @IsRoleAuthorDataValid()
+  @IsAuthorIdValid()
   authorId?: string;
 
   @ApiProperty()
@@ -225,6 +227,7 @@ export class PostUpdateUserRequest {
 
   @ApiProperty({ required: false })
   @IsRoleAuthorDataValid()
+  @IsAuthorIdValid()
   authorId?: string;
 
   @ApiProperty()
diff --git a/dictation_server/src/repositories/user_groups/errors/types.ts b/dictation_server/src/repositories/user_groups/errors/types.ts
index 4a215a7..a499a27 100644
--- a/dictation_server/src/repositories/user_groups/errors/types.ts
+++ b/dictation_server/src/repositories/user_groups/errors/types.ts
@@ -18,4 +18,4 @@ export class TypistGroupNameAlreadyExistError extends Error {
     super(message);
     this.name = 'TypistGroupNameAlreadyExistError';
   }
-}
\ No newline at end of file
+}