diff --git a/app/services/bulk_upload/processor.rb b/app/services/bulk_upload/processor.rb
index 4a87ffcc1..6975bab23 100644
--- a/app/services/bulk_upload/processor.rb
+++ b/app/services/bulk_upload/processor.rb
@@ -1,15 +1,22 @@
 class BulkUpload::Processor
+  include CollectionTimeHelper
   attr_reader :bulk_upload
 
-  BLANK_TEMPLATE_ERRORS = [
-    I18n.t("activemodel.errors.models.bulk_upload/lettings/validator.attributes.base.blank_file"),
-    I18n.t("validations.sales.2024.bulk_upload.blank_file"),
-  ].freeze
+  def blank_template_errors
+    [
+      I18n.t("activemodel.errors.models.bulk_upload/lettings/validator.attributes.base.blank_file"),
+      I18n.t("validations.sales.#{current_collection_start_year}.bulk_upload.blank_file"),
+      I18n.t("validations.sales.#{previous_collection_start_year}.bulk_upload.blank_file"),
+    ].freeze
+  end
 
-  WRONG_TEMPLATE_ERRORS = [
-    *I18n.t("activemodel.errors.models.bulk_upload/lettings/validator.attributes.base", default: {}).values,
-    *I18n.t("validations.sales.2024", default: {}).values,
-  ].freeze
+  def wrong_template_errors
+    [
+      *I18n.t("activemodel.errors.models.bulk_upload/lettings/validator.attributes.base", default: {}).values,
+      *I18n.t("validations.sales.#{current_collection_start_year}.bulk_upload.wrong_template", default: {}).values,
+      *I18n.t("validations.sales.#{previous_collection_start_year}.bulk_upload.wrong_template", default: {}).values,
+    ].freeze
+  end
 
   def initialize(bulk_upload:)
     @bulk_upload = bulk_upload
@@ -157,9 +164,9 @@ private
   end
 
   def handle_invalid_validator
-    if BLANK_TEMPLATE_ERRORS.any? { |error| validator.errors.full_messages.include?(error) }
+    if blank_template_errors.any? { |error| validator.errors.full_messages.include?(error) }
       @bulk_upload.update!(failure_reason: "blank_template")
-    elsif WRONG_TEMPLATE_ERRORS.any? { |error| validator.errors.full_messages.include?(error) }
+    elsif wrong_template_errors.any? { |error| validator.errors.full_messages.include?(error) }
       @bulk_upload.update!(failure_reason: "wrong_template")
     end
 
diff --git a/app/services/bulk_upload/sales/validator.rb b/app/services/bulk_upload/sales/validator.rb
index 070732a87..76fb6f1ae 100644
--- a/app/services/bulk_upload/sales/validator.rb
+++ b/app/services/bulk_upload/sales/validator.rb
@@ -164,20 +164,20 @@ private
 
     column_count = rows.map(&:size).max
 
-    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.over_max_column_count")) if column_count > csv_parser.class::MAX_COLUMNS
+    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.over_max_column_count")) if column_count > csv_parser.class::MAX_COLUMNS
   end
 
   def validate_correct_template
     return if halt_validations?
 
-    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template")) if csv_parser.wrong_template_for_year?
+    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.wrong_template")) if csv_parser.wrong_template_for_year?
   end
 
   def validate_missing_required_headers
     return if halt_validations?
 
     if csv_parser.missing_required_headers?
-      errors.add :base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.no_headers", guidance_link: bulk_upload_sales_log_url(id: "guidance", form: { year: bulk_upload.year }, host: ENV["APP_HOST"], anchor: "using-the-bulk-upload-template"))
+      errors.add :base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.no_headers", guidance_link: bulk_upload_sales_log_url(id: "guidance", form: { year: bulk_upload.year }, host: ENV["APP_HOST"], anchor: "using-the-bulk-upload-template"))
     end
   end
 
@@ -185,7 +185,7 @@ private
     return if halt_validations?
 
     unless csv_parser.correct_field_count?
-      errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_field_numbers_count"))
+      errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.wrong_field_numbers_count"))
       halt_validations!
     end
   end
diff --git a/config/locales/validations/sales/2023/bulk_upload.en.yml b/config/locales/validations/sales/2023/bulk_upload.en.yml
index 7d8930db4..517f56858 100644
--- a/config/locales/validations/sales/2023/bulk_upload.en.yml
+++ b/config/locales/validations/sales/2023/bulk_upload.en.yml
@@ -3,15 +3,16 @@ en:
     sales:
       2023:
         bulk_upload:
-          blank_file: "Template is blank - The template must be filled in for us to create the logs and check if data is correct."
-          over_max_column_count: "Too many columns, please ensure you have used the correct template."
-          no_headers: "Your file does not contain the required header rows. Add or check the header rows and upload your file again. [Read more about using the template headers](%{guidance_link})."
-          wrong_field_numbers_count: "Incorrect number of fields, please ensure you have used the correct template."
-          wrong_template: "Incorrect sale dates, please ensure you have used the correct template."
           not_answered: "You must answer %{question}"
           invalid_option: "Enter a valid value for %{question}"
           spreadsheet_dupe: "This is a duplicate of a log in your file."
           duplicate: "This is a duplicate log."
+          blank_file: "Template is blank - The template must be filled in for us to create the logs and check if data is correct."
+          wrong_template:
+            wrong_template: "Incorrect sale dates, please ensure you have used the correct template."
+            no_headers: "Your file does not contain the required header rows. Add or check the header rows and upload your file again. [Read more about using the template headers](%{guidance_link})."
+            wrong_field_numbers_count: "Incorrect number of fields, please ensure you have used the correct template."
+            over_max_column_count: "Too many columns, please ensure you have used the correct template."          
           owning_organisation:
             not_answered: "The owning organisation code is incorrect."
             not_found: "The owning organisation code is incorrect."
diff --git a/config/locales/validations/sales/2024/bulk_upload.en.yml b/config/locales/validations/sales/2024/bulk_upload.en.yml
index a76dbb838..be466c4a2 100644
--- a/config/locales/validations/sales/2024/bulk_upload.en.yml
+++ b/config/locales/validations/sales/2024/bulk_upload.en.yml
@@ -3,15 +3,16 @@ en:
     sales:
       2024:
         bulk_upload:
-          blank_file: "Template is blank - The template must be filled in for us to create the logs and check if data is correct."
-          over_max_column_count: "Too many columns, please ensure you have used the correct template."
-          no_headers: "Your file does not contain the required header rows. Add or check the header rows and upload your file again. [Read more about using the template headers](%{guidance_link})."
-          wrong_field_numbers_count: "Incorrect number of fields, please ensure you have used the correct template."
-          wrong_template: "Incorrect sale dates, please ensure you have used the correct template."
           not_answered: "You must answer %{question}"
           invalid_option: "Enter a valid value for %{question}"
           spreadsheet_dupe: "This is a duplicate of a log in your file."
           duplicate: "This is a duplicate log."
+          blank_file: "Template is blank - The template must be filled in for us to create the logs and check if data is correct."
+          wrong_template:
+            over_max_column_count: "Too many columns, please ensure you have used the correct template."
+            no_headers: "Your file does not contain the required header rows. Add or check the header rows and upload your file again. [Read more about using the template headers](%{guidance_link})."
+            wrong_field_numbers_count: "Incorrect number of fields, please ensure you have used the correct template."
+            wrong_template: "Incorrect sale dates, please ensure you have used the correct template."
           numeric:
             within_range: "%{field} must be between %{min} and %{max}."
           owning_organisation:
diff --git a/spec/services/bulk_upload/sales/validator_spec.rb b/spec/services/bulk_upload/sales/validator_spec.rb
index 149354bf1..c275ce681 100644
--- a/spec/services/bulk_upload/sales/validator_spec.rb
+++ b/spec/services/bulk_upload/sales/validator_spec.rb
@@ -54,7 +54,7 @@ RSpec.describe BulkUpload::Sales::Validator do
 
       it "is not valid" do
         expect(validator).not_to be_valid
-        expect(validator.errors["base"]).to eql([I18n.t("validations.sales.2024.bulk_upload.wrong_template")])
+        expect(validator.errors["base"]).to eql([I18n.t("validations.sales.2024.bulk_upload.wrong_template.wrong_template")])
       end
     end