diff --git a/src/.pa11yci b/src/.pa11yci
index 6bb5727e0..0ab3f4dd7 100644
--- a/src/.pa11yci
+++ b/src/.pa11yci
@@ -19,7 +19,6 @@
         "http://localhost:8080/register/other_contacts/",
         "http://localhost:8080/register/anything_else/",
         "http://localhost:8080/register/requirements/",
-        "http://localhost:8080/register/review/",
         "http://localhost:8080/register/finished/"
     ]
 }
diff --git a/src/api/views.py b/src/api/views.py
index 068844919..a7dd7600a 100644
--- a/src/api/views.py
+++ b/src/api/views.py
@@ -91,15 +91,17 @@ def available(request, domain=""):
     # validate that the given domain could be a domain name and fail early if
     # not.
     if not (DraftDomain.string_could_be_domain(domain) or DraftDomain.string_could_be_domain(domain + ".gov")):
-        return JsonResponse({"available": False, "message": DOMAIN_API_MESSAGES["invalid"]})
+        return JsonResponse({"available": False, "code": "invalid", "message": DOMAIN_API_MESSAGES["invalid"]})
     # a domain is available if it is NOT in the list of current domains
     try:
         if check_domain_available(domain):
-            return JsonResponse({"available": True, "message": DOMAIN_API_MESSAGES["success"]})
+            return JsonResponse({"available": True, "code": "success", "message": DOMAIN_API_MESSAGES["success"]})
         else:
-            return JsonResponse({"available": False, "message": DOMAIN_API_MESSAGES["unavailable"]})
+            return JsonResponse(
+                {"available": False, "code": "unavailable", "message": DOMAIN_API_MESSAGES["unavailable"]}
+            )
     except Exception:
-        return JsonResponse({"available": False, "message": DOMAIN_API_MESSAGES["error"]})
+        return JsonResponse({"available": False, "code": "error", "message": DOMAIN_API_MESSAGES["error"]})
 
 
 @require_http_methods(["GET"])
diff --git a/src/registrar/management/commands/extend_expiration_dates.py b/src/registrar/management/commands/extend_expiration_dates.py
index f969faa62..5e203e488 100644
--- a/src/registrar/management/commands/extend_expiration_dates.py
+++ b/src/registrar/management/commands/extend_expiration_dates.py
@@ -29,7 +29,8 @@ class Command(BaseCommand):
         self.update_success = []
         self.update_skipped = []
         self.update_failed = []
-        self.expiration_cutoff = date(2023, 11, 15)
+        self.expiration_minimum_cutoff = date(2023, 11, 15)
+        self.expiration_maximum_cutoff = date(2023, 12, 30)
 
     def add_arguments(self, parser):
         """Add command line arguments."""
@@ -71,7 +72,9 @@ class Command(BaseCommand):
         self.check_if_positive_int(limit_parse, "limitParse")
 
         valid_domains = Domain.objects.filter(
-            expiration_date__gte=self.expiration_cutoff, state=Domain.State.READY
+            expiration_date__gte=self.expiration_minimum_cutoff,
+            expiration_date__lte=self.expiration_maximum_cutoff,
+            state=Domain.State.READY,
         ).order_by("name")
 
         domains_to_change_count = valid_domains.count()
@@ -134,7 +137,7 @@ class Command(BaseCommand):
             ==Proposed Changes==
             Domains to change: {domains_to_change_count}
             """,
-            prompt_title="Do you wish to proceed?",
+            prompt_title="Do you wish to proceed with these changes?",
         )
 
         logger.info(f"{TerminalColors.MAGENTA}" "Preparing to extend expiration dates..." f"{TerminalColors.ENDC}")
diff --git a/src/registrar/templates/application_form.html b/src/registrar/templates/application_form.html
index db72a1fc2..cec2416fb 100644
--- a/src/registrar/templates/application_form.html
+++ b/src/registrar/templates/application_form.html
@@ -85,16 +85,29 @@
               class="usa-button usa-button--outline"
             >Save and return to manage your domains</button>
             {% else %}
-            <button
-              type="submit"
+            <a
+              href="#toggle-submit-domain-request"
               class="usa-button usa-button--big dotgov-button--green"
-            >Submit your domain request</button>
+              aria-controls="toggle-submit-domain-request"
+              data-open-modal
+              >Submit your domain request</a
+            >
             {% endif %}
           </div>
 {% endblock %}
 
         </form>
 
+        <div
+          class="usa-modal"
+          id="toggle-submit-domain-request"
+          aria-labelledby="Are you sure you want to submit a domain request?"
+          aria-describedby="Are you sure you want to submit a domain request?"
+          data-force-action
+        >
+            {% include 'includes/modal.html' with modal_heading=modal_heading|safe modal_description="Once you submit this request, you won’t be able to make further edits until it’s reviewed by our staff. You’ll only be able to withdraw your request." modal_button=modal_button|safe %}
+        </div>
+
 {% block after_form_content %}{% endblock %}
 
       </main>
diff --git a/src/registrar/templates/domain_dns.html b/src/registrar/templates/domain_dns.html
index 0f625e0e3..291319a59 100644
--- a/src/registrar/templates/domain_dns.html
+++ b/src/registrar/templates/domain_dns.html
@@ -12,7 +12,7 @@
   <p>You can enter your name servers, as well as other DNS-related information, in the following sections:</p>
 
   {% url 'domain-dns-nameservers' pk=domain.id as url %}
-<ul>  
+<ul class="usa-list">
 <li><a href="{{ url }}">Name servers</a></li>
 
   {% url 'domain-dns-dnssec' pk=domain.id as url %}
diff --git a/src/registrar/tests/common.py b/src/registrar/tests/common.py
index b89d9c464..5166e9c18 100644
--- a/src/registrar/tests/common.py
+++ b/src/registrar/tests/common.py
@@ -836,6 +836,11 @@ class MockEppLib(TestCase):
         ex_date=datetime.date(2023, 2, 15),
     )
 
+    mockMaximumRenewedDomainExpDate = fakedEppObject(
+        "fakemaximum.gov",
+        ex_date=datetime.date(2024, 12, 31),
+    )
+
     mockRecentRenewedDomainExpDate = fakedEppObject(
         "waterbutpurple.gov",
         ex_date=datetime.date(2024, 11, 15),
@@ -949,6 +954,11 @@ class MockEppLib(TestCase):
                 res_data=[self.mockDnsNeededRenewedDomainExpDate],
                 code=ErrorCode.COMMAND_COMPLETED_SUCCESSFULLY,
             )
+        elif getattr(_request, "name", None) == "fakemaximum.gov":
+            return MagicMock(
+                res_data=[self.mockMaximumRenewedDomainExpDate],
+                code=ErrorCode.COMMAND_COMPLETED_SUCCESSFULLY,
+            )
         else:
             return MagicMock(
                 res_data=[self.mockRenewedDomainExpDate],
diff --git a/src/registrar/tests/test_copy_names_from_contacts_to_users.py b/src/registrar/tests/test_copy_names_from_contacts_to_users.py
index 2690578e0..032203f4e 100644
--- a/src/registrar/tests/test_copy_names_from_contacts_to_users.py
+++ b/src/registrar/tests/test_copy_names_from_contacts_to_users.py
@@ -18,8 +18,8 @@ class TestDataUpdates(TestCase):
         self.user2 = User.objects.create(username="user2")
         self.user3 = User.objects.create(username="user3")
         self.user4 = User.objects.create(username="user4")
-        # The last user created triggers the creation of a contact and attaches itself to it. @Neil wth is going on?
-        # This bs_user defuses that situation so we can test the code.
+        # The last user created triggers the creation of a contact and attaches itself to it. See signals.
+        # This bs_user defuses that situation.
         self.bs_user = User.objects.create()
 
         self.contact1 = Contact.objects.create(
diff --git a/src/registrar/tests/test_transition_domain_migrations.py b/src/registrar/tests/test_transition_domain_migrations.py
index 86fa0f603..f3fd76e88 100644
--- a/src/registrar/tests/test_transition_domain_migrations.py
+++ b/src/registrar/tests/test_transition_domain_migrations.py
@@ -52,6 +52,15 @@ class TestExtendExpirationDates(MockEppLib):
             domain_name="fakeneeded.gov",
             epp_expiration_date=datetime.date(2023, 11, 15),
         )
+        # Create a domain with a date greater than the maximum
+        Domain.objects.get_or_create(
+            name="fakemaximum.gov", state=Domain.State.READY, expiration_date=datetime.date(2024, 12, 31)
+        )
+        TransitionDomain.objects.get_or_create(
+            username="fakemaximum@mail.com",
+            domain_name="fakemaximum.gov",
+            epp_expiration_date=datetime.date(2024, 12, 31),
+        )
 
     def tearDown(self):
         """Deletes all DB objects related to migrations"""
@@ -114,6 +123,25 @@ class TestExtendExpirationDates(MockEppLib):
         # should not be affected by the change.
         self.assertEqual(current_domain.expiration_date, datetime.date(2022, 5, 25))
 
+    def test_extends_expiration_date_skips_maximum_date(self):
+        """
+        Tests that the extend_expiration_dates method correctly skips domains
+        with an expiration date more than a certain threshold.
+        """
+        desired_domain = Domain.objects.filter(name="fakemaximum.gov").get()
+        desired_domain.expiration_date = datetime.date(2024, 12, 31)
+
+        # Run the expiration date script
+        self.run_extend_expiration_dates()
+
+        current_domain = Domain.objects.filter(name="fakemaximum.gov").get()
+        self.assertEqual(desired_domain, current_domain)
+
+        # Explicitly test the expiration date. The extend_expiration_dates script
+        # will skip all dates less than date(2023, 11, 15), meaning that this domain
+        # should not be affected by the change.
+        self.assertEqual(current_domain.expiration_date, datetime.date(2024, 12, 31))
+
     def test_extends_expiration_date_skips_non_ready(self):
         """
         Tests that the extend_expiration_dates method correctly skips domains not in the state "ready"
diff --git a/src/registrar/tests/test_views.py b/src/registrar/tests/test_views.py
index 17641636e..57fa03f52 100644
--- a/src/registrar/tests/test_views.py
+++ b/src/registrar/tests/test_views.py
@@ -141,7 +141,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # 302 redirect to the first form
         page = self.app.get(reverse("application:")).follow()
         # submitting should get back the same page if the required field is empty
-        result = page.form.submit()
+        result = page.forms[0].submit()
         self.assertIn("What kind of U.S.-based government organization do you represent?", result)
 
     def test_application_multiple_applications_exist(self):
@@ -164,6 +164,9 @@ class DomainApplicationTests(TestWithUser, WebTest):
         this test work.
 
         This test also looks for the long organization name on the summary page.
+
+        This also tests for the presence of a modal trigger and the dynamic test
+        in the modal header on the submit page.
         """
         num_pages_tested = 0
         # elections, type_of_work, tribal_government, no_other_contacts
@@ -178,11 +181,11 @@ class DomainApplicationTests(TestWithUser, WebTest):
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
         # ---- TYPE PAGE  ----
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "federal"
         # test next button and validate data
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
         # should see results in db
         application = DomainApplication.objects.get()  # there's only one
         self.assertEqual(application.organization_type, "federal")
@@ -197,7 +200,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
 
         federal_page = type_result.follow()
-        federal_form = federal_page.form
+        federal_form = federal_page.forms[0]
         federal_form["organization_federal-federal_type"] = "executive"
 
         # test next button
@@ -216,7 +219,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         org_contact_page = federal_result.follow()
-        org_contact_form = org_contact_page.form
+        org_contact_form = org_contact_page.forms[0]
         # federal agency so we have to fill in federal_agency
         org_contact_form["organization_contact-federal_agency"] = "General Services Administration"
         org_contact_form["organization_contact-organization_name"] = "Testorg"
@@ -249,7 +252,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         ao_page = org_contact_result.follow()
-        ao_form = ao_page.form
+        ao_form = ao_page.forms[0]
         ao_form["authorizing_official-first_name"] = "Testy ATO"
         ao_form["authorizing_official-last_name"] = "Tester ATO"
         ao_form["authorizing_official-title"] = "Chief Tester"
@@ -276,7 +279,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         current_sites_page = ao_result.follow()
-        current_sites_form = current_sites_page.form
+        current_sites_form = current_sites_page.forms[0]
         current_sites_form["current_sites-0-website"] = "www.city.com"
 
         # test next button
@@ -298,7 +301,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         dotgov_page = current_sites_result.follow()
-        dotgov_form = dotgov_page.form
+        dotgov_form = dotgov_page.forms[0]
         dotgov_form["dotgov_domain-requested_domain"] = "city"
         dotgov_form["dotgov_domain-0-alternative_domain"] = "city1"
 
@@ -318,7 +321,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         purpose_page = dotgov_result.follow()
-        purpose_form = purpose_page.form
+        purpose_form = purpose_page.forms[0]
         purpose_form["purpose-purpose"] = "For all kinds of things."
 
         # test next button
@@ -337,7 +340,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         your_contact_page = purpose_result.follow()
-        your_contact_form = your_contact_page.form
+        your_contact_form = your_contact_page.forms[0]
 
         your_contact_form["your_contact-first_name"] = "Testy you"
         your_contact_form["your_contact-last_name"] = "Tester you"
@@ -365,7 +368,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         other_contacts_page = your_contact_result.follow()
-        other_contacts_form = other_contacts_page.form
+        other_contacts_form = other_contacts_page.forms[0]
 
         other_contacts_form["other_contacts-0-first_name"] = "Testy2"
         other_contacts_form["other_contacts-0-last_name"] = "Tester2"
@@ -398,7 +401,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         anything_else_page = other_contacts_result.follow()
-        anything_else_form = anything_else_page.form
+        anything_else_form = anything_else_page.forms[0]
 
         anything_else_form["anything_else-anything_else"] = "Nothing else."
 
@@ -418,7 +421,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         requirements_page = anything_else_result.follow()
-        requirements_form = requirements_page.form
+        requirements_form = requirements_page.forms[0]
 
         requirements_form["requirements-is_policy_acknowledged"] = True
 
@@ -438,7 +441,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         review_page = requirements_result.follow()
-        review_form = review_page.form
+        review_form = review_page.forms[0]
 
         # Review page contains all the previously entered data
         # Let's make sure the long org name is displayed
@@ -472,6 +475,14 @@ class DomainApplicationTests(TestWithUser, WebTest):
         self.assertContains(review_page, "(201) 555-5557")
         self.assertContains(review_page, "Nothing else.")
 
+        # We can't test the modal itself as it relies on JS for init and triggering,
+        # but we can test for the existence of its trigger:
+        self.assertContains(review_page, "toggle-submit-domain-request")
+        # And the existence of the modal's data parked and ready for the js init.
+        # The next assert also tests for the passed requested domain context from
+        # the view > application_form > modal
+        self.assertContains(review_page, "You are about to submit a domain request for city.gov")
+
         # final submission results in a redirect to the "finished" URL
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         with less_console_noise():
@@ -540,7 +551,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # the conditional step titles shouldn't appear initially
         self.assertNotContains(type_page, self.TITLES["organization_federal"])
         self.assertNotContains(type_page, self.TITLES["organization_election"])
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "federal"
 
         # set the session ID before .submit()
@@ -561,9 +572,9 @@ class DomainApplicationTests(TestWithUser, WebTest):
 
         # continuing on in the flow we need to see top-level agency on the
         # contact page
-        federal_page.form["organization_federal-federal_type"] = "executive"
+        federal_page.forms[0]["organization_federal-federal_type"] = "executive"
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        federal_result = federal_page.form.submit()
+        federal_result = federal_page.forms[0].submit()
         # the post request should return a redirect to the contact
         # question
         self.assertEqual(federal_result.status_code, 302)
@@ -586,7 +597,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # the conditional step titles shouldn't appear initially
         self.assertNotContains(type_page, self.TITLES["organization_federal"])
         self.assertNotContains(type_page, self.TITLES["organization_election"])
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "county"
 
         # set the session ID before .submit()
@@ -606,9 +617,9 @@ class DomainApplicationTests(TestWithUser, WebTest):
 
         # continuing on in the flow we need to NOT see top-level agency on the
         # contact page
-        election_page.form["organization_election-is_election_board"] = "True"
+        election_page.forms[0]["organization_election-is_election_board"] = "True"
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        election_result = election_page.form.submit()
+        election_result = election_page.forms[0].submit()
         # the post request should return a redirect to the contact
         # question
         self.assertEqual(election_result.status_code, 302)
@@ -626,10 +637,10 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "federal"
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
 
         # follow first redirect
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
@@ -654,15 +665,15 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = DomainApplication.OrganizationChoices.INTERSTATE
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
 
         # follow first redirect
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         contact_page = type_result.follow()
-        org_contact_form = contact_page.form
+        org_contact_form = contact_page.forms[0]
 
         self.assertNotIn("federal_agency", org_contact_form.fields)
 
@@ -690,10 +701,10 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = DomainApplication.OrganizationChoices.SPECIAL_DISTRICT
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_page.forms[0].submit()
         # follow first redirect
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         contact_page = type_result.follow()
@@ -710,7 +721,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        result = contacts_page.form.submit()
+        result = contacts_page.forms[0].submit()
         # follow first redirect
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         no_contacts_page = result.follow()
@@ -727,10 +738,10 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = DomainApplication.OrganizationChoices.INTERSTATE
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
         # follow first redirect
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         contact_page = type_result.follow()
@@ -745,10 +756,10 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # of a "session". We are going to do it manually, saving the session ID here
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = DomainApplication.OrganizationChoices.TRIBAL
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
         # the tribal government page comes immediately afterwards
         self.assertIn("/tribal_government", type_result.headers["Location"])
         # follow first redirect
@@ -767,18 +778,18 @@ class DomainApplicationTests(TestWithUser, WebTest):
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
 
         # ---- TYPE PAGE  ----
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "federal"
 
         # test next button
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
 
         # ---- FEDERAL BRANCH PAGE  ----
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         federal_page = type_result.follow()
-        federal_form = federal_page.form
+        federal_form = federal_page.forms[0]
         federal_form["organization_federal-federal_type"] = "executive"
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         federal_result = federal_form.submit()
@@ -787,7 +798,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         org_contact_page = federal_result.follow()
-        org_contact_form = org_contact_page.form
+        org_contact_form = org_contact_page.forms[0]
         # federal agency so we have to fill in federal_agency
         org_contact_form["organization_contact-federal_agency"] = "General Services Administration"
         org_contact_form["organization_contact-organization_name"] = "Testorg"
@@ -828,18 +839,18 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # and then setting the cookie on each request.
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
         # ---- TYPE PAGE  ----
-        type_form = type_page.form
+        type_form = type_page.forms[0]
         type_form["organization_type-organization_type"] = "federal"
 
         # test next button
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        type_result = type_page.form.submit()
+        type_result = type_form.submit()
 
         # ---- FEDERAL BRANCH PAGE  ----
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         federal_page = type_result.follow()
-        federal_form = federal_page.form
+        federal_form = federal_page.forms[0]
         federal_form["organization_federal-federal_type"] = "executive"
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         federal_result = federal_form.submit()
@@ -848,7 +859,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         org_contact_page = federal_result.follow()
-        org_contact_form = org_contact_page.form
+        org_contact_form = org_contact_page.forms[0]
         # federal agency so we have to fill in federal_agency
         org_contact_form["organization_contact-federal_agency"] = "General Services Administration"
         org_contact_form["organization_contact-organization_name"] = "Testorg"
@@ -870,7 +881,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         ao_page = org_contact_result.follow()
-        ao_form = ao_page.form
+        ao_form = ao_page.forms[0]
         ao_form["authorizing_official-first_name"] = "Testy ATO"
         ao_form["authorizing_official-last_name"] = "Tester ATO"
         ao_form["authorizing_official-title"] = "Chief Tester"
@@ -884,7 +895,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         # Follow the redirect to the next form page
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         current_sites_page = ao_result.follow()
-        current_sites_form = current_sites_page.form
+        current_sites_form = current_sites_page.forms[0]
         current_sites_form["current_sites-0-website"] = "www.city.com"
 
         # test saving the page
@@ -917,7 +928,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         current_sites_page = self.app.get(reverse("application:current_sites"))
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
         # fill in the form field
-        current_sites_form = current_sites_page.form
+        current_sites_form = current_sites_page.forms[0]
         self.assertIn("current_sites-0-website", current_sites_form.fields)
         self.assertNotIn("current_sites-1-website", current_sites_form.fields)
         current_sites_form["current_sites-0-website"] = "https://example.com"
@@ -926,7 +937,7 @@ class DomainApplicationTests(TestWithUser, WebTest):
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         current_sites_result = current_sites_form.submit("submit_button", value="save")
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        current_sites_form = current_sites_result.follow().form
+        current_sites_form = current_sites_result.follow().forms[0]
 
         # verify that there are two form fields
         value = current_sites_form["current_sites-0-website"].value
@@ -1086,6 +1097,18 @@ class DomainApplicationTests(TestWithUser, WebTest):
         detail_page = home_page.click("Manage", index=0)
         self.assertContains(detail_page, "Federal: an agency of the U.S. government")
 
+    def test_submit_modal_no_domain_text_fallback(self):
+        """When user clicks on submit your domain request and the requested domain
+        is null (possible through url direct access to the review page), present
+        fallback copy in the modal's header.
+
+        NOTE: This may be a moot point if we implement a more solid pattern in the
+        future, like not a submit action at all on the review page."""
+
+        review_page = self.app.get(reverse("application:review"))
+        self.assertContains(review_page, "toggle-submit-domain-request")
+        self.assertContains(review_page, "You are about to submit an incomplete request")
+
 
 class TestWithDomainPermissions(TestWithUser):
     def setUp(self):
diff --git a/src/registrar/utility/errors.py b/src/registrar/utility/errors.py
index 9463c1387..455419236 100644
--- a/src/registrar/utility/errors.py
+++ b/src/registrar/utility/errors.py
@@ -43,11 +43,11 @@ class GenericError(Exception):
     """
 
     _error_mapping = {
-        GenericErrorCodes.CANNOT_CONTACT_REGISTRY: """
-We’re experiencing a system connection error. Please wait a few minutes
-and try again. If you continue to receive this error after a few tries,
-contact help@get.gov.
-        """,
+        GenericErrorCodes.CANNOT_CONTACT_REGISTRY: (
+            "We’re experiencing a system connection error. Please wait a few minutes "
+            "and try again. If you continue to receive this error after a few tries, "
+            "contact help@get.gov."
+        ),
         GenericErrorCodes.GENERIC_ERROR: ("Value entered was wrong."),
     }
 
diff --git a/src/registrar/views/application.py b/src/registrar/views/application.py
index bb1b3aee6..0a6eb5b7b 100644
--- a/src/registrar/views/application.py
+++ b/src/registrar/views/application.py
@@ -321,12 +321,21 @@ class ApplicationWizard(ApplicationWizardPermissionView, TemplateView):
 
     def get_context_data(self):
         """Define context for access on all wizard pages."""
+        # Build the submit button that we'll pass to the modal.
+        modal_button = '<button type="submit" ' 'class="usa-button" ' ">Submit request</button>"
+        # Concatenate the modal header that we'll pass to the modal.
+        if self.application.requested_domain:
+            modal_heading = "You are about to submit a domain request for " + str(self.application.requested_domain)
+        else:
+            modal_heading = "You are about to submit an incomplete request"
         return {
             "form_titles": self.TITLES,
             "steps": self.steps,
             # Add information about which steps should be unlocked
             "visited": self.storage.get("step_history", []),
             "is_federal": self.application.is_federal(),
+            "modal_button": modal_button,
+            "modal_heading": modal_heading,
         }
 
     def get_step_list(self) -> list: