diff --git a/spec/models/form/sales/pages/building_height_class_spec.rb b/spec/models/form/sales/pages/building_height_class_spec.rb
index d07069805..2387020b3 100644
--- a/spec/models/form/sales/pages/building_height_class_spec.rb
+++ b/spec/models/form/sales/pages/building_height_class_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::BuildingHeightClass, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2026, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date)) }
   let(:sales_log) { FactoryBot.create(:sales_log, :completed) }
 
   it "has correct subsection" do
diff --git a/spec/models/form/sales/pages/buyer1_gender_same_as_sex_spec.rb b/spec/models/form/sales/pages/buyer1_gender_same_as_sex_spec.rb
index 245d96ba8..f0bba9e4e 100644
--- a/spec/models/form/sales/pages/buyer1_gender_same_as_sex_spec.rb
+++ b/spec/models/form/sales/pages/buyer1_gender_same_as_sex_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::Buyer1GenderSameAsSex, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2026, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/buyer2_gender_same_as_sex_spec.rb b/spec/models/form/sales/pages/buyer2_gender_same_as_sex_spec.rb
index 200ca4693..1bcc90129 100644
--- a/spec/models/form/sales/pages/buyer2_gender_same_as_sex_spec.rb
+++ b/spec/models/form/sales/pages/buyer2_gender_same_as_sex_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::Buyer2GenderSameAsSex, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection) }
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2026, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date)) }
 
   it "has correct subsection" do
     expect(page.subsection).to eq(subsection)
diff --git a/spec/models/form/sales/pages/person_gender_same_as_sex_spec.rb b/spec/models/form/sales/pages/person_gender_same_as_sex_spec.rb
index 84bb685e2..da8113af0 100644
--- a/spec/models/form/sales/pages/person_gender_same_as_sex_spec.rb
+++ b/spec/models/form/sales/pages/person_gender_same_as_sex_spec.rb
@@ -1,10 +1,12 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Pages::PersonGenderSameAsSex, type: :model do
+  include CollectionTimeHelper
+
   subject(:page) { described_class.new(page_id, page_definition, subsection, person_index:) }
 
   let(:page_definition) { nil }
-  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2026, 4, 1))) }
+  let(:subsection) { instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date)) }
   let(:person_index) { 2 }
   let(:page_id) { "person_2_gender_same_as_sex" }
 
diff --git a/spec/models/form/sales/questions/building_height_class_spec.rb b/spec/models/form/sales/questions/building_height_class_spec.rb
index 4f0f1b0c7..e7ab032d4 100644
--- a/spec/models/form/sales/questions/building_height_class_spec.rb
+++ b/spec/models/form/sales/questions/building_height_class_spec.rb
@@ -1,11 +1,13 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Questions::BuildingHeightClass, type: :model do
+  include CollectionTimeHelper
+
   subject(:question) { described_class.new(question_id, question_definition, page) }
 
   let(:question_id) { nil }
   let(:question_definition) { nil }
-  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: Time.zone.local(2026, 4, 1)))) }
+  let(:page) { instance_double(Form::Page, subsection: instance_double(Form::Subsection, form: instance_double(Form, start_date: current_collection_start_date))) }
 
   it "has correct page" do
     expect(question.page).to eq(page)
diff --git a/spec/models/form/sales/questions/person_gender_description_spec.rb b/spec/models/form/sales/questions/person_gender_description_spec.rb
index deb03b6ff..d3deab702 100644
--- a/spec/models/form/sales/questions/person_gender_description_spec.rb
+++ b/spec/models/form/sales/questions/person_gender_description_spec.rb
@@ -1,6 +1,8 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Questions::PersonGenderDescription, type: :model do
+  include CollectionTimeHelper
+
   subject(:question) { described_class.new(question_id, question_definition, page, person_index:) }
 
   let(:question_id) { nil }
@@ -8,7 +10,7 @@ RSpec.describe Form::Sales::Questions::PersonGenderDescription, type: :model do
   let(:page) { instance_double(Form::Page) }
   let(:person_index) { 2 }
   let(:subsection) { instance_double(Form::Subsection) }
-  let(:form) { instance_double(Form, start_date: Time.zone.local(2026, 4, 1)) }
+  let(:form) { instance_double(Form, start_date: current_collection_start_date) }
 
   before do
     allow(page).to receive(:subsection).and_return(subsection)
diff --git a/spec/models/form/sales/questions/person_gender_same_as_sex_spec.rb b/spec/models/form/sales/questions/person_gender_same_as_sex_spec.rb
index b95e77188..06d66e6ee 100644
--- a/spec/models/form/sales/questions/person_gender_same_as_sex_spec.rb
+++ b/spec/models/form/sales/questions/person_gender_same_as_sex_spec.rb
@@ -1,6 +1,8 @@
 require "rails_helper"
 
 RSpec.describe Form::Sales::Questions::PersonGenderSameAsSex, type: :model do
+  include CollectionTimeHelper
+
   subject(:question) { described_class.new(question_id, question_definition, page, person_index:) }
 
   let(:question_id) { nil }
@@ -8,7 +10,7 @@ RSpec.describe Form::Sales::Questions::PersonGenderSameAsSex, type: :model do
   let(:page) { instance_double(Form::Page) }
   let(:person_index) { 2 }
   let(:subsection) { instance_double(Form::Subsection) }
-  let(:form) { instance_double(Form, start_date: Time.zone.local(2026, 4, 1)) }
+  let(:form) { instance_double(Form, start_date: current_collection_start_date) }
 
   before do
     allow(page).to receive(:subsection).and_return(subsection)