diff --git a/app/services/bulk_upload/sales/year2023/row_parser.rb b/app/services/bulk_upload/sales/year2023/row_parser.rb
index e70fd4090..149558686 100644
--- a/app/services/bulk_upload/sales/year2023/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2023/row_parser.rb
@@ -463,6 +463,8 @@ class BulkUpload::Sales::Year2023::RowParser
   validate :validate_address_fields, on: :after_log
   validate :validate_if_log_already_exists, on: :after_log, if: -> { FeatureToggle.bulk_upload_duplicate_log_check_enabled? }
 
+  validate :validate_data_protection_answered, on: :after_log
+
   def self.question_for_field(field)
     QUESTIONS[field]
   end
@@ -530,6 +532,12 @@ class BulkUpload::Sales::Year2023::RowParser
 
 private
 
+  def validate_data_protection_answered
+    unless field_29 == 1
+      errors.add(:field_29, I18n.t("validations.not_answered", question: QUESTIONS[:field_29].downcase), category: :setup)
+    end
+  end
+
   def prevtenbuy2
     case field_72
     when "R"
diff --git a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
index 98d88b1f5..fc04dfbcb 100644
--- a/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2023/row_parser_spec.rb
@@ -238,7 +238,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_3 field_4 field_5 field_7])
+        expect(errors).to eql(%i[field_1 field_29 field_3 field_4 field_5 field_7])
       end
     end
 
@@ -254,7 +254,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_14 field_3 field_4 field_5 field_8])
+        expect(errors).to eql(%i[field_1 field_14 field_29 field_3 field_4 field_5 field_8])
       end
     end
 
@@ -272,7 +272,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_15 field_3 field_4 field_5])
+        expect(errors).to eql(%i[field_1 field_15 field_29 field_3 field_4 field_5])
       end
     end
 
@@ -288,7 +288,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_14 field_3 field_4 field_5 field_9])
+        expect(errors).to eql(%i[field_1 field_14 field_29 field_3 field_4 field_5 field_9])
       end
     end
 
@@ -306,7 +306,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_3 field_4 field_5 field_7])
+        expect(errors).to eql(%i[field_1 field_29 field_3 field_4 field_5 field_7])
       end
     end
 
@@ -322,7 +322,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_10 field_12 field_13 field_3 field_4 field_5])
+        expect(errors).to eql(%i[field_1 field_10 field_12 field_13 field_29 field_3 field_4 field_5])
       end
     end
 
@@ -340,7 +340,7 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       it "has errors on correct setup fields" do
         errors = parser.errors.select { |e| e.options[:category] == :setup }.map(&:attribute).sort
 
-        expect(errors).to eql(%i[field_1 field_11 field_13 field_14 field_3 field_4 field_5])
+        expect(errors).to eql(%i[field_1 field_11 field_13 field_14 field_29 field_3 field_4 field_5])
       end
     end
 
@@ -730,6 +730,16 @@ RSpec.describe BulkUpload::Sales::Year2023::RowParser do
       end
     end
 
+    describe "#field_29" do # data protection
+      let(:attributes) { setup_section_params.merge({ field_29: nil }) }
+
+      context "when not answered" do
+        it "returns a setup error" do
+          expect(parser.errors.where(:field_29, category: :setup)).to be_present
+        end
+      end
+    end
+
     [
       %w[age1_known age1 field_30],
       %w[age2_known age2 field_38],