diff --git a/.github/workflows/pyTest_runs.yml b/.github/workflows/ci_regression_script.yml
similarity index 83%
rename from .github/workflows/pyTest_runs.yml
rename to .github/workflows/ci_regression_script.yml
index 180129c..c81c3ec 100644
--- a/.github/workflows/pyTest_runs.yml
+++ b/.github/workflows/ci_regression_script.yml
@@ -3,29 +3,33 @@ run-name: ${{ github.actor }}
 
 on:
   push:
-    # Only Operate on the main branch
     branches:
       - main
       - issue-4/configuring-ci-cd-pytest
-    # Ignore changes to the README and the workflow file
     paths-ignore:
       - 'README.md'
       # - '.github/workflows/pyTest_runs.yml'
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - 'README.md'
+  
 
 # This workflow will run pytest on the codebase and upload the results as an artifact
 jobs:
   pytest:
-    # This runs it at the lasest version of Ubuntu
+    # lasest version of Ubuntu
     runs-on: ubuntu-latest
     steps:
       # This inputs a message to the console
       - run: echo "Running Pytest"
       
       # This checks out the code from the repository so that it can be tested 'actions/checkout@v3'
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         
       - name: Set up Python 3.10
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: '3.10'
 
diff --git a/routers/submit.py b/routers/submit.py
index 91b8f7b..f6745ea 100644
--- a/routers/submit.py
+++ b/routers/submit.py
@@ -45,6 +45,17 @@ async def receive_exec_form(form_dto: ExecAppFormDTO):
         teamType=team_type,
     )
 
+    required_fields = [
+        form_dto.fullName,
+        form_dto.email,
+        student_id,
+        year_of_study,
+        form_dto.faculty,
+        form_dto.major,
+        is_coop,
+        team_type
+    ]
+
     processed_questions: Dict[str, str] = {}
 
     if form_dto.questions:
@@ -73,6 +84,16 @@ async def receive_exec_form(form_dto: ExecAppFormDTO):
             ).model_dump(mode="json"),
         )
     
+    if any(not field for field in required_fields):
+        for field in required_fields:
+            if field is None or (isinstance(field, str) and field.strip() == ""):
+                return JSONResponse(
+                    status_code=400,
+                    content=ResponseDTO(
+                        message="Missing required fields"
+                    ).model_dump(mode="json"),
+                )
+
     team_type_str = exec_form_request.teamType.value if isinstance(exec_form_request.teamType, TeamType) else str(exec_form_request.teamType)
 
     print_formatter(
diff --git a/tests/test_submit.py b/tests/test_submit.py
index b953e55..254a13a 100644
--- a/tests/test_submit.py
+++ b/tests/test_submit.py
@@ -93,4 +93,24 @@ def test_submit_exec_form_invalid_team():
     assert response.status_code == 400
     data = response.json()
     assert "message" in data
-    assert "Invalid team type" in data["message"]
\ No newline at end of file
+    assert "Invalid team type" in data["message"]
+
+def test_submit_exec_form_missing_fields():
+    # Test for when one component is missing
+    test_data = {
+        "fullName": "Charlie Brown",
+        "email": "charlie.brown@example.com",
+        "studentId": "330102020",
+        "yearOfStudy": "1",
+        "faculty": "  ",
+        "major": "Finance",
+        "coopTerm": "no",
+        "firstChoiceTeam": "STRATEGY",
+        "questions": {}
+    }
+
+    response = client.post("/api/submit/exec-form", json=test_data)
+    assert response.status_code == 400
+    data = response.json()
+    assert "message" in data
+    assert "Missing required fields" in data["message"]