diff --git a/dictation_client/src/App.tsx b/dictation_client/src/App.tsx
index 1d47893..f08dfd1 100644
--- a/dictation_client/src/App.tsx
+++ b/dictation_client/src/App.tsx
@@ -43,14 +43,18 @@ const App = (): JSX.Element => {
 
   // Language読み取り
   useLayoutEffect(() => {
-    const language = document.cookie
-      .trim()
-      .split(";")
-      .map((x) => x.split("="))
-      .find((x) => x.length === 2 && x[0] === "language");
+    const { cookie } = document;
 
-    if (language) {
-      i18n.changeLanguage(language[1]);
+    if (cookie) {
+      const cookieArray = cookie.split(";");
+      const language = cookieArray.find((x) =>
+        // 先頭の空白を削除してから判定
+        x.trim().startsWith("language=")
+      );
+
+      if (language) {
+        i18n.changeLanguage(language.split("=")[1]);
+      }
     }
   }, [i18n]);
 
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_client/src/pages/DictationPage/filePropertyPopup.tsx b/dictation_client/src/pages/DictationPage/filePropertyPopup.tsx
index 1a4104c..979bbf1 100644
--- a/dictation_client/src/pages/DictationPage/filePropertyPopup.tsx
+++ b/dictation_client/src/pages/DictationPage/filePropertyPopup.tsx
@@ -50,16 +50,6 @@ export const FilePropertyPopup: React.FC<FilePropertyPopupProps> = (props) => {
           <dd>{selectedFileTask?.fileSize ?? ""}</dd>
           <dt>{t(getTranslationID("dictationPage.label.fileLength"))}</dt>
           <dd>{selectedFileTask?.audioDuration ?? ""}</dd>
-          <dt>{t(getTranslationID("dictationPage.label.authorId"))}</dt>
-          <dd>{selectedFileTask?.authorId ?? ""}</dd>
-          <dt>{t(getTranslationID("dictationPage.label.workType"))}</dt>
-          <dd>{selectedFileTask?.workType ?? ""}</dd>
-          <dt>{t(getTranslationID("dictationPage.label.priority"))}</dt>
-          <dd>
-            {selectedFileTask?.priority === "01"
-              ? PRIORITY.HIGH
-              : PRIORITY.NORMAL}
-          </dd>
           <dt>
             {t(getTranslationID("dictationPage.label.recordingStartedDate"))}
           </dt>
@@ -68,8 +58,6 @@ export const FilePropertyPopup: React.FC<FilePropertyPopupProps> = (props) => {
             {t(getTranslationID("dictationPage.label.recordingFinishedDate"))}
           </dt>
           <dd>{selectedFileTask?.audioFinishedDate ?? ""}</dd>
-          <dt>{t(getTranslationID("dictationPage.label.uploadDate"))}</dt>
-          <dd>{selectedFileTask?.audioUploadedDate ?? ""}</dd>
           <dt>{t(getTranslationID("dictationPage.label.encryption"))}</dt>
           <dd>
             {selectedFileTask?.isEncrypted ? (
@@ -78,6 +66,16 @@ export const FilePropertyPopup: React.FC<FilePropertyPopupProps> = (props) => {
               ""
             )}
           </dd>
+          <dt>{t(getTranslationID("dictationPage.label.priority"))}</dt>
+          <dd>
+            {selectedFileTask?.priority === "01"
+              ? PRIORITY.HIGH
+              : PRIORITY.NORMAL}
+          </dd>
+          <dt>{t(getTranslationID("dictationPage.label.authorId"))}</dt>
+          <dd>{selectedFileTask?.authorId ?? ""}</dd>
+          <dt>{t(getTranslationID("dictationPage.label.workType"))}</dt>
+          <dd>{selectedFileTask?.workType ?? ""}</dd>
           <dt>{t(getTranslationID("dictationPage.label.optionItem1"))}</dt>
           <dd>{selectedFileTask?.optionItemList[0].optionItemValue}</dd>
           <dt>{t(getTranslationID("dictationPage.label.optionItem2"))}</dt>
@@ -107,6 +105,10 @@ export const FilePropertyPopup: React.FC<FilePropertyPopupProps> = (props) => {
           <dd>{selectedFileTask?.jobNumber ?? ""}</dd>
           <dt>{t(getTranslationID("dictationPage.label.status"))}</dt>
           <dd>{selectedFileTask?.status ?? ""}</dd>
+          <dt>{t(getTranslationID("dictationPage.label.uploadDate"))}</dt>
+          <dd>{selectedFileTask?.audioUploadedDate ?? ""}</dd>
+          <dt>{t(getTranslationID("dictationPage.label.transcriptionist"))}</dt>
+          <dd>{selectedFileTask?.typist?.name ?? ""}</dd>
           <dt>
             {t(
               getTranslationID("dictationPage.label.transcriptionStartedDate")
@@ -119,8 +121,6 @@ export const FilePropertyPopup: React.FC<FilePropertyPopupProps> = (props) => {
             )}
           </dt>
           <dd>{selectedFileTask?.transcriptionFinishedDate ?? ""}</dd>
-          <dt>{t(getTranslationID("dictationPage.label.transcriptionist"))}</dt>
-          <dd>{selectedFileTask?.typist?.name ?? ""}</dd>
           <dd className={`${styles.full} ${styles.alignRight}`}>
             {/* eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions */}
             <a onClick={closePopup} className={`${styles.buttonText}`}>
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 af5ac04..0eb2c6f 100644
--- a/dictation_server/src/features/accounts/accounts.service.spec.ts
+++ b/dictation_server/src/features/accounts/accounts.service.spec.ts
@@ -145,7 +145,7 @@ describe('createAccount', () => {
       },
     });
 
-    let _subject = '';
+    let _subject: string = '';
     let _url: string | undefined = '';
     overrideSendgridService(service, {
       sendMail: async (
@@ -6205,7 +6205,7 @@ 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 = '';
+    let _subject: string = '';
     let _url: string | undefined = '';
     overrideSendgridService(service, {
       sendMail: async (
diff --git a/dictation_server/src/features/users/types/types.ts b/dictation_server/src/features/users/types/types.ts
index 195e9c7..1c17c52 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()