diff --git a/src/app/record/components/work-form/work-form/work-form.component.ts b/src/app/record/components/work-form/work-form/work-form.component.ts
index 1f82019b78..4d6e688efe 100644
--- a/src/app/record/components/work-form/work-form/work-form.component.ts
+++ b/src/app/record/components/work-form/work-form/work-form.component.ts
@@ -52,7 +52,7 @@ import { SnackbarService } from 'src/app/cdk/snackbar/snackbar.service'
 import { WorkIdentifiers } from 'src/app/shared/validators/work-identifiers/work-identifiers.validator'
 import { workCitationValidator } from 'src/app/shared/validators/citation/work-citation.validator'
 import { translatedTitleValidator } from 'src/app/shared/validators/translated-title/translated-title.validator'
-import { merge, Subject } from 'rxjs'
+import { merge, Subject, of } from 'rxjs'
 import { RecordService } from 'src/app/core/record/record.service'
 
 @Component({
@@ -266,8 +266,15 @@ export class WorkFormComponent implements OnInit {
     formGroup: UntypedFormGroup,
     externalIdentifierType: string
   ): AsyncValidatorFn {
-    return (control: AbstractControl) => {
-      return this._workService
+      return (control: AbstractControl) => {
+        if(externalIdentifierType === 'isbn') {
+          if(!(control.value?.length === 10  ||  control.value?.length === 13)) {
+              return of({ validFormat: true, })
+            } else {
+              return of({})
+            }
+        } else {
+          return this._workService
         .validateWorkIdTypes(externalIdentifierType, control.value)
         .pipe(
           map((value) => {
@@ -312,6 +319,7 @@ export class WorkFormComponent implements OnInit {
             }
           })
         )
+      }
     }
   }