diff --git a/app/helpers/collection_time_helper.rb b/app/helpers/collection_time_helper.rb
index ed0fdf839..34426bab2 100644
--- a/app/helpers/collection_time_helper.rb
+++ b/app/helpers/collection_time_helper.rb
@@ -1,15 +1,15 @@
 module CollectionTimeHelper
-  def collection_start_year(date)
+  def collection_start_year_for_date(date)
     window_end_date = Time.zone.local(date.year, 4, 1)
     date < window_end_date ? date.year - 1 : date.year
   end
 
   def current_collection_start_year
-    collection_start_year(Time.zone.now)
+    collection_start_year_for_date(Time.zone.now)
   end
 
   def collection_start_date(date)
-    Time.zone.local(collection_start_year(date), 4, 1)
+    Time.zone.local(collection_start_year_for_date(date), 4, 1)
   end
 
   def date_mid_collection_year_formatted(date)
@@ -22,7 +22,7 @@ module CollectionTimeHelper
   end
 
   def collection_end_date(date)
-    Time.zone.local(collection_start_year(date) + 1, 3, 31).end_of_day
+    Time.zone.local(collection_start_year_for_date(date) + 1, 3, 31).end_of_day
   end
 
   def current_collection_end_date
diff --git a/app/models/validations/sales/sale_information_validations.rb b/app/models/validations/sales/sale_information_validations.rb
index e4714e81a..42dbde2a5 100644
--- a/app/models/validations/sales/sale_information_validations.rb
+++ b/app/models/validations/sales/sale_information_validations.rb
@@ -48,7 +48,7 @@ module Validations::Sales::SaleInformationValidations
   end
 
   def validate_discounted_ownership_value(record)
-    return unless record.saledate && collection_start_year(record.saledate) >= 2024
+    return unless record.saledate && collection_start_year_for_date(record.saledate) >= 2024
     return unless record.value && record.deposit && record.ownershipsch
     return unless record.mortgage || record.mortgageused == 2
     return unless record.discount || record.grant || record.type == 29
diff --git a/spec/helpers/collection_time_helper_spec.rb b/spec/helpers/collection_time_helper_spec.rb
index 1537926ab..e9ec52292 100644
--- a/spec/helpers/collection_time_helper_spec.rb
+++ b/spec/helpers/collection_time_helper_spec.rb
@@ -50,7 +50,7 @@ RSpec.describe CollectionTimeHelper do
       let(:now) { Time.utc(2022, 8, 3) }
 
       it "returns the same year as the current start year" do
-        expect(collection_start_year(now)).to eq(2022)
+        expect(collection_start_year_for_date(now)).to eq(2022)
       end
 
       it "returns the correct current start date" do
@@ -66,7 +66,7 @@ RSpec.describe CollectionTimeHelper do
       let(:now) { Time.utc(2022, 2, 3) }
 
       it "returns the previous year as the current start year" do
-        expect(collection_start_year(now)).to eq(2021)
+        expect(collection_start_year_for_date(now)).to eq(2021)
       end
 
       it "returns the correct current start date" do