diff --git a/src/registrar/forms/domain_request_wizard.py b/src/registrar/forms/domain_request_wizard.py
index 6f27876eb..6ddb68a74 100644
--- a/src/registrar/forms/domain_request_wizard.py
+++ b/src/registrar/forms/domain_request_wizard.py
@@ -778,9 +778,11 @@ OtherContactsFormSet = forms.formset_factory(
     formset=BaseOtherContactsFormSet,
 )
 
+
 class BaseDeletableRegistrarForm(RegistrarForm):
     """Adds special validation and delete functionality.
     Used by forms that are tied to a Yes/No form."""
+
     def __init__(self, *args, **kwargs):
         self.form_data_marked_for_deletion = False
         super().__init__(*args, **kwargs)
@@ -830,6 +832,7 @@ class BaseDeletableRegistrarForm(RegistrarForm):
                 setattr(obj, name, value)
         obj.save()
 
+
 class NoOtherContactsForm(BaseDeletableRegistrarForm):
     no_other_contacts_rationale = forms.CharField(
         required=True,
@@ -845,12 +848,14 @@ class NoOtherContactsForm(BaseDeletableRegistrarForm):
         error_messages={"required": ("Rationale for no other employees is required.")},
     )
 
+
 class CisaRepresentativeForm(BaseDeletableRegistrarForm):
     cisa_representative_email = forms.EmailField(
         required=False,
-        label="Are you working with a CISA representative?", #TODO-NL: (design check) - is this the right label?
+        label="Are you working with a CISA representative?",  # TODO-NL: (design check) - is this the right label?
     )
 
+
 class CisaRepresentativeYesNoForm(RegistrarForm):
     def __init__(self, *args, **kwargs):
         """Extend the initialization of the form from RegistrarForm __init__"""
@@ -871,7 +876,7 @@ class CisaRepresentativeYesNoForm(RegistrarForm):
             initial=initial_value,
             widget=forms.RadioSelect,
             error_messages={
-                "required": "This question is required.", 
+                "required": "This question is required.",
             },
         )
 
@@ -889,6 +894,7 @@ class AdditionalDetailsForm(BaseDeletableRegistrarForm):
         ],
     )
 
+
 class AdditionalDetailsYesNoForm(RegistrarForm):
     def __init__(self, *args, **kwargs):
         """Extend the initialization of the form from RegistrarForm __init__"""
@@ -909,10 +915,11 @@ class AdditionalDetailsYesNoForm(RegistrarForm):
             initial=initial_value,
             widget=forms.RadioSelect,
             error_messages={
-                "required": "This question is required.", #TODO-NL: (design check) - is this required?
+                "required": "This question is required.",  # TODO-NL: (design check) - is this required?
             },
         )
 
+
 class RequirementsForm(RegistrarForm):
     is_policy_acknowledged = forms.BooleanField(
         label="I read and agree to the requirements for operating a .gov domain.",
diff --git a/src/registrar/models/domain_request.py b/src/registrar/models/domain_request.py
index 56dec0e44..13d2ae725 100644
--- a/src/registrar/models/domain_request.py
+++ b/src/registrar/models/domain_request.py
@@ -1037,14 +1037,14 @@ class DomainRequest(TimeStampedModel):
     def has_other_contacts(self) -> bool:
         """Does this domain request have other contacts listed?"""
         return self.other_contacts.exists()
-    
+
     def has_anything_else_text(self) -> bool:
         """Does this domain request have an 'anything else?' entry"""
-        return self.anything_else != "" and self.anything_else != None #TODO-NL: how to handle falsy strings again?
-    
+        return self.anything_else != "" and self.anything_else is not None
+
     def has_cisa_representative(self) -> bool:
         """Does this domain request have cisa representative?"""
-        return self.cisa_representative_email != "" and self.cisa_representative_email != None
+        return self.cisa_representative_email != "" and self.cisa_representative_email is not None
 
     def is_federal(self) -> Union[bool, None]:
         """Is this domain request for a federal agency?
diff --git a/src/registrar/views/domain_request.py b/src/registrar/views/domain_request.py
index 12043903b..07f3f77f1 100644
--- a/src/registrar/views/domain_request.py
+++ b/src/registrar/views/domain_request.py
@@ -366,7 +366,8 @@ class DomainRequestWizard(DomainRequestWizardPermissionView, TemplateView):
                 or self.domain_request.no_other_contacts_rationale is not None
             ),
             "anything_else": (
-                (self.domain_request.anything_else is not None and self.domain_request.cisa_representative_email) or self.domain_request.is_policy_acknowledged is not None
+                (self.domain_request.anything_else is not None and self.domain_request.cisa_representative_email)
+                or self.domain_request.is_policy_acknowledged is not None
             ),
             "requirements": self.domain_request.is_policy_acknowledged is not None,
             "review": self.domain_request.is_policy_acknowledged is not None,
@@ -580,7 +581,8 @@ class OtherContacts(DomainRequestWizard):
             all_forms_valid = False
         return all_forms_valid
 
-#DONE-NL: rename this to "Additional Details" (note: this is a find-replace job. VS will not refactor properly)
+
+# DONE-NL: rename this to "Additional Details" (note: this is a find-replace job. VS will not refactor properly)
 class AdditionalDetails(DomainRequestWizard):
 
     # TODO-NL: Delete this old (original code for anything else)
@@ -590,7 +592,12 @@ class AdditionalDetails(DomainRequestWizard):
     template_name = "domain_request_additional_details.html"
     # OLD:  forms = [forms.OtherContactsYesNoForm, forms.OtherContactsFormSet, forms.NoOtherContactsForm]
     # TODO-NL: (refactor) -- move form hookups into respective areas
-    forms = [forms.CisaRepresentativeYesNoForm, forms.CisaRepresentativeForm, forms.AdditionalDetailsYesNoForm, forms.AdditionalDetailsForm]
+    forms = [
+        forms.CisaRepresentativeYesNoForm,
+        forms.CisaRepresentativeForm,
+        forms.AdditionalDetailsYesNoForm,
+        forms.AdditionalDetailsForm,
+    ]
 
     # TODO-NL: (refactor) -- move validation into respective areas
     def is_valid(self, forms: list) -> bool:
@@ -605,7 +612,7 @@ class AdditionalDetails(DomainRequestWizard):
         anything_else_yes_no_form = forms[2]
         anything_else_form = forms[3]
 
-        # ------- Validate cisa representative ------- 
+        # ------- Validate cisa representative -------
         cisa_rep_portion_is_valid = True
         # test first for yes_no_form validity
         if cisa_representative_email_yes_no_form.is_valid():
@@ -621,7 +628,6 @@ class AdditionalDetails(DomainRequestWizard):
             cisa_representative_email_form.mark_form_for_deletion()
             cisa_rep_portion_is_valid = False
 
-        
         # ------- Validate anything else -------
         anything_else_portion_is_valid = True
         # test first for yes_no_form validity
@@ -638,7 +644,6 @@ class AdditionalDetails(DomainRequestWizard):
             anything_else_form.mark_form_for_deletion()
             anything_else_portion_is_valid = False
 
-
         # ------- Return combined validation result -------
         all_forms_valid = cisa_rep_portion_is_valid and anything_else_portion_is_valid
         return all_forms_valid