diff --git a/app/models/form/sales/questions/person_sex_registered_at_birth.rb b/app/models/form/sales/questions/person_sex_registered_at_birth.rb
index 86bef9acd..ff61f3ee0 100644
--- a/app/models/form/sales/questions/person_sex_registered_at_birth.rb
+++ b/app/models/form/sales/questions/person_sex_registered_at_birth.rb
@@ -4,12 +4,6 @@ class Form::Sales::Questions::PersonSexRegisteredAtBirth < ::Form::Question
     @type = "radio"
     @copy_key = "sales.household_characteristics.sexrab2.person" if person_index == 2
     @check_answers_card_number = person_index
-    @inferred_check_answers_value = [{
-      "condition" => {
-        id => "R",
-      },
-      "value" => "Person prefers not to say",
-    }]
     @answer_options = ANSWER_OPTIONS
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
   end
diff --git a/app/models/form/sales/questions/sex_registered_at_birth2.rb b/app/models/form/sales/questions/sex_registered_at_birth2.rb
index 9a26d527a..6f9c77eb4 100644
--- a/app/models/form/sales/questions/sex_registered_at_birth2.rb
+++ b/app/models/form/sales/questions/sex_registered_at_birth2.rb
@@ -5,12 +5,6 @@ class Form::Sales::Questions::SexRegisteredAtBirth2 < ::Form::Question
     @type = "radio"
     @copy_key = "sales.household_characteristics.sexrab2.buyer"
     @check_answers_card_number = 2
-    @inferred_check_answers_value = [{
-      "condition" => {
-        "sexrab2" => "R",
-      },
-      "value" => "Buyer prefers not to say",
-    }]
     @answer_options = ANSWER_OPTIONS
     @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max]
   end
diff --git a/app/services/bulk_upload/sales/year2026/csv_parser.rb b/app/services/bulk_upload/sales/year2026/csv_parser.rb
index a512e2f44..069ead551 100644
--- a/app/services/bulk_upload/sales/year2026/csv_parser.rb
+++ b/app/services/bulk_upload/sales/year2026/csv_parser.rb
@@ -4,8 +4,8 @@ class BulkUpload::Sales::Year2026::CsvParser
   include CollectionTimeHelper
 
   # TODO: CLDC-4162: Update when 2026 format is known
-  FIELDS = 121
-  MAX_COLUMNS = 142
+  FIELDS = 127
+  MAX_COLUMNS = FIELDS
   FORM_YEAR = 2026
 
   attr_reader :path
diff --git a/app/services/bulk_upload/sales/year2026/row_parser.rb b/app/services/bulk_upload/sales/year2026/row_parser.rb
index 8e3e2936c..adb7cc6a2 100644
--- a/app/services/bulk_upload/sales/year2026/row_parser.rb
+++ b/app/services/bulk_upload/sales/year2026/row_parser.rb
@@ -1041,23 +1041,23 @@ private
   end
 
   def person_2_present?
-    field_35.present? || field_36.present? || field_34.present?
+    field_35.present? || field_36.present? || field_34.present? || field_123.present?
   end
 
   def person_3_present?
-    field_43.present? || field_44.present? || field_42.present?
+    field_43.present? || field_44.present? || field_42.present? || field_124.present?
   end
 
   def person_4_present?
-    field_47.present? || field_48.present? || field_46.present?
+    field_47.present? || field_48.present? || field_46.present? || field_125.present?
   end
 
   def person_5_present?
-    field_51.present? || field_52.present? || field_50.present?
+    field_51.present? || field_52.present? || field_50.present? || field_126.present?
   end
 
   def person_6_present?
-    field_55.present? || field_56.present? || field_54.present?
+    field_55.present? || field_56.present? || field_54.present? || field_127.present?
   end
 
   def relationship_from_is_partner(is_partner)
diff --git a/app/services/exports/sales_log_export_service.rb b/app/services/exports/sales_log_export_service.rb
index cd9dd0a95..5b3f719e8 100644
--- a/app/services/exports/sales_log_export_service.rb
+++ b/app/services/exports/sales_log_export_service.rb
@@ -156,12 +156,16 @@ module Exports
 
     def get_included_fields(sales_log)
       included_fields = Set[]
-      included_fields.merge(EXPORT_FIELDS)
+      included_fields.merge(ALL_YEAR_EXPORT_FIELDS)
 
-      if sales_log.form.start_year_2026_or_later?
-        included_fields.merge(POST_2026_EXPORT_FIELDS)
-      end
+      year_fields = case sales_log.collection_start_year
+                    when 2026
+                      YEAR_2026_EXPORT_FIELDS
+                    else
+                      Set[]
+                    end
 
+      included_fields.merge(year_fields)
       included_fields
     end
 
diff --git a/spec/models/form/sales/questions/person_sex_registered_at_birth_spec.rb b/spec/models/form/sales/questions/person_sex_registered_at_birth_spec.rb
index 2f51fa8c4..eb5f10687 100644
--- a/spec/models/form/sales/questions/person_sex_registered_at_birth_spec.rb
+++ b/spec/models/form/sales/questions/person_sex_registered_at_birth_spec.rb
@@ -49,9 +49,7 @@ RSpec.describe Form::Sales::Questions::PersonSexRegisteredAtBirth, type: :model
     end
 
     it "has the correct inferred_check_answers_value" do
-      expect(question.inferred_check_answers_value).to eq([
-        { "condition" => { "sexrab2" => "R" }, "value" => "Person prefers not to say" },
-      ])
+      expect(question.inferred_check_answers_value).to be_nil
     end
   end
 
@@ -68,9 +66,7 @@ RSpec.describe Form::Sales::Questions::PersonSexRegisteredAtBirth, type: :model
     end
 
     it "has the correct inferred_check_answers_value" do
-      expect(question.inferred_check_answers_value).to eq([
-        { "condition" => { "sexrab3" => "R" }, "value" => "Person prefers not to say" },
-      ])
+      expect(question.inferred_check_answers_value).to be_nil
     end
   end
 
@@ -87,9 +83,7 @@ RSpec.describe Form::Sales::Questions::PersonSexRegisteredAtBirth, type: :model
     end
 
     it "has the correct inferred_check_answers_value" do
-      expect(question.inferred_check_answers_value).to eq([
-        { "condition" => { "sexrab4" => "R" }, "value" => "Person prefers not to say" },
-      ])
+      expect(question.inferred_check_answers_value).to be_nil
     end
   end
 
@@ -106,9 +100,7 @@ RSpec.describe Form::Sales::Questions::PersonSexRegisteredAtBirth, type: :model
     end
 
     it "has the correct inferred_check_answers_value" do
-      expect(question.inferred_check_answers_value).to eq([
-        { "condition" => { "sexrab5" => "R" }, "value" => "Person prefers not to say" },
-      ])
+      expect(question.inferred_check_answers_value).to be_nil
     end
   end
 
@@ -125,9 +117,7 @@ RSpec.describe Form::Sales::Questions::PersonSexRegisteredAtBirth, type: :model
     end
 
     it "has the correct inferred_check_answers_value" do
-      expect(question.inferred_check_answers_value).to eq([
-        { "condition" => { "sexrab6" => "R" }, "value" => "Person prefers not to say" },
-      ])
+      expect(question.inferred_check_answers_value).to be_nil
     end
   end
 end
diff --git a/spec/models/form/sales/questions/sex_registered_at_birth1_spec.rb b/spec/models/form/sales/questions/sex_registered_at_birth1_spec.rb
index 0b3661ad6..cc1f981cc 100644
--- a/spec/models/form/sales/questions/sex_registered_at_birth1_spec.rb
+++ b/spec/models/form/sales/questions/sex_registered_at_birth1_spec.rb
@@ -42,4 +42,8 @@ RSpec.describe Form::Sales::Questions::SexRegisteredAtBirth1, type: :model do
   it "has the correct check_answers_card_number" do
     expect(question.check_answers_card_number).to eq(1)
   end
+
+  it "has the correct inferred_check_answers_value" do
+    expect(question.inferred_check_answers_value).to be_nil
+  end
 end
diff --git a/spec/models/form/sales/questions/sex_registered_at_birth2_spec.rb b/spec/models/form/sales/questions/sex_registered_at_birth2_spec.rb
index ed0d0bc61..99ded462a 100644
--- a/spec/models/form/sales/questions/sex_registered_at_birth2_spec.rb
+++ b/spec/models/form/sales/questions/sex_registered_at_birth2_spec.rb
@@ -44,8 +44,6 @@ RSpec.describe Form::Sales::Questions::SexRegisteredAtBirth2, type: :model do
   end
 
   it "has the correct inferred_check_answers_value" do
-    expect(question.inferred_check_answers_value).to eq([
-      { "condition" => { "sexrab2" => "R" }, "value" => "Buyer prefers not to say" },
-    ])
+    expect(question.inferred_check_answers_value).to be_nil
   end
 end