diff --git a/projects/v3/src/app/components/assessment/assessment.component.spec.ts b/projects/v3/src/app/components/assessment/assessment.component.spec.ts
index cc5b1b6c0..20efd664b 100644
--- a/projects/v3/src/app/components/assessment/assessment.component.spec.ts
+++ b/projects/v3/src/app/components/assessment/assessment.component.spec.ts
@@ -718,4 +718,181 @@ describe('AssessmentComponent', () => {
       document.body.removeChild(element);
     }));
   });
+
+  describe('_compulsoryQuestionsAnswered', () => {
+    it('should return empty array when all required questions are answered', () => {
+      // Set up mock assessment with required questions
+      component.assessment = {
+        id: 1,
+        type: 'default',
+        isForTeam: false,
+        groups: [
+          {
+            name: 'Group 1',
+            questions: [
+              {
+                id: 1,
+                name: 'Question 1',
+                type: 'text',
+                isRequired: true,
+                audience: ['submitter']
+              },
+              {
+                id: 2,
+                name: 'Question 2',
+                type: 'multiple',
+                isRequired: true,
+                audience: ['submitter']
+              }
+            ]
+          }
+        ]
+      } as any;
+
+      // Set up mock answers
+      const answers = [
+        { questionId: 1, answer: 'Answer to question 1' },
+        { questionId: 2, answer: ['Option 1', 'Option 2'] }
+      ];
+
+      // Test the function
+      const missingQuestions = component['_compulsoryQuestionsAnswered'](answers);
+
+      // Expect no missing questions
+      expect(missingQuestions.length).toBe(0);
+    });
+
+    it('should return questions that are required but not answered', () => {
+      // Set up mock assessment with required questions
+      component.assessment = {
+        id: 1,
+        type: 'default',
+        isForTeam: false,
+        groups: [
+          {
+            name: 'Group 1',
+            questions: [
+              {
+                id: 1,
+                name: 'Question 1',
+                type: 'text',
+                isRequired: true,
+                audience: ['submitter']
+              },
+              {
+                id: 2,
+                name: 'Question 2',
+                type: 'text',
+                isRequired: true,
+                audience: ['submitter']
+              }
+            ]
+          }
+        ]
+      } as any;
+
+      // Set up mock answers with one missing
+      const answers = [
+        { questionId: 1, answer: 'Answer to question 1' }
+        // Question 2 is missing
+      ];
+
+      // Mock form element
+      spyOn(component.form.nativeElement, 'querySelector').and.returnValue({
+        classList: {
+          add: jasmine.createSpy('add')
+        }
+      });
+
+      // Test the function
+      const missingQuestions = component['_compulsoryQuestionsAnswered'](answers);
+
+      // Expect one missing question
+      expect(missingQuestions.length).toBe(1);
+      expect(missingQuestions[0].id).toBe(2);
+      expect(component.form.nativeElement.querySelector).toHaveBeenCalledWith('#q-2');
+    });
+
+    it('should return empty array when either answer or file is provided for required question in review mode', () => {
+      // Set action to review
+      component.action = 'review';
+
+      // Set up mock assessment with required questions for reviewer
+      component.assessment = {
+        id: 1,
+        type: 'default',
+        isForTeam: false,
+        groups: [
+          {
+            name: 'Group 1',
+            questions: [
+              {
+                id: 1,
+                name: 'Question 1',
+                type: 'text',
+                isRequired: true,
+                audience: ['reviewer']
+              }
+            ]
+          }
+        ]
+      } as any;
+
+      // Mock answers for review (both answer and file are provided)
+      const answers = [
+        { questionId: 1, answer: 'Some answer', file: null }
+      ];
+
+      // Test the function
+      const missingQuestions = component['_compulsoryQuestionsAnswered'](answers);
+
+      // Expect no missing questions
+      expect(missingQuestions.length).toBe(0);
+    });
+
+    it('should handle review action properly', () => {
+      // Set action to review
+      component.action = 'review';
+
+      // Set up mock assessment with required questions for reviewer
+      component.assessment = {
+        id: 1,
+        type: 'default',
+        isForTeam: false,
+        groups: [
+          {
+            name: 'Group 1',
+            questions: [
+              {
+                id: 1,
+                name: 'Question 1',
+                type: 'text',
+                isRequired: true,
+                audience: ['reviewer']
+              }
+            ]
+          }
+        ]
+      } as any;
+
+      // Mock answers for review (both answer and file are empty)
+      const answers = [
+        { questionId: 1, answer: '', file: null }
+      ];
+
+      // Mock form element
+      spyOn(component.form.nativeElement, 'querySelector').and.returnValue({
+        classList: {
+          add: jasmine.createSpy('add')
+        }
+      });
+
+      // Test the function
+      const missingQuestions = component['_compulsoryQuestionsAnswered'](answers);
+
+      // Expect one missing question
+      expect(missingQuestions.length).toBe(1);
+      expect(missingQuestions[0].id).toBe(1);
+    });
+  });
 });
diff --git a/projects/v3/src/app/components/assessment/assessment.component.ts b/projects/v3/src/app/components/assessment/assessment.component.ts
index 87c7cc850..778b07b43 100644
--- a/projects/v3/src/app/components/assessment/assessment.component.ts
+++ b/projects/v3/src/app/components/assessment/assessment.component.ts
@@ -466,7 +466,19 @@ Best regards`;
     this.assessment.groups.forEach(group => {
       group.questions.forEach(question => {
         if (this._isRequired(question)) {
-          if (this.utils.isEmpty(answered[question.id]) || this.utils.isEmpty(answered[question.id].answer)) {
+          let isEmpty = false;
+          const thisQuestion = answered[question.id];
+
+          // for review: answer & file separated
+          if (this.action === 'review' && this.utils.isEmpty(thisQuestion.answer) && this.utils.isEmpty(thisQuestion.file)) {
+            isEmpty = true;
+
+          // for assessment: file is part of the answer
+          } else if (this.action === 'assessment' && (this.utils.isEmpty(thisQuestion) || this.utils.isEmpty(thisQuestion.answer))) {
+            isEmpty = true;
+          }
+
+          if (isEmpty) {
             missing.push(question);
 
             // add highlight effect to the question