diff --git a/spec/fixtures/exports/general_needs_log_26_27.xml b/spec/fixtures/exports/general_needs_log_26_27.xml
index 71b334a4b..9c359cbfa 100644
--- a/spec/fixtures/exports/general_needs_log_26_27.xml
+++ b/spec/fixtures/exports/general_needs_log_26_27.xml
@@ -5,38 +5,30 @@
     <tenancycode>BZ737</tenancycode>
     <age1>35</age1>
     <sexrab1>F</sexrab1>
-    <sex1>F</sex1>
     <ethnic>2</ethnic>
     <prevten>6</prevten>
     <ecstat1>0</ecstat1>
     <hhmemb>2</hhmemb>
     <age2>32</age2>
     <sexrab2>M</sexrab2>
-    <sex2>M</sex2>
     <ecstat2>6</ecstat2>
     <age3/>
     <sexrab3/>
-    <sex3/>
     <ecstat3/>
     <age4/>
     <sexrab4/>
-    <sex4/>
     <ecstat4/>
     <age5/>
     <sexrab5/>
-    <sex5/>
     <ecstat5/>
     <age6/>
     <sexrab6/>
-    <sex6/>
     <ecstat6/>
     <age7/>
     <sexrab7/>
-    <sex7/>
     <ecstat7/>
     <age8/>
     <sexrab8/>
-    <sex8/>
     <ecstat8/>
     <homeless>1</homeless>
     <underoccupation_benefitcap>4</underoccupation_benefitcap>
diff --git a/spec/services/exports/lettings_log_export_service_spec.rb b/spec/services/exports/lettings_log_export_service_spec.rb
index 5e1dff30c..f65129f60 100644
--- a/spec/services/exports/lettings_log_export_service_spec.rb
+++ b/spec/services/exports/lettings_log_export_service_spec.rb
@@ -83,7 +83,7 @@ RSpec.describe Exports::LettingsLogExportService do
     end
 
     context "and one lettings log is available for export" do
-      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", age2: 32, sex2: "M", propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
+      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
 
       it "generates a ZIP export file with the expected filename" do
         expect(storage_service).to receive(:write_file).with(expected_zip_filename, any_args)
@@ -127,7 +127,7 @@ RSpec.describe Exports::LettingsLogExportService do
     end
 
     context "and one lettings log with unknown user details is available for export" do
-      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, details_known_2: 1, assigned_to: user, age1: 35, sex1: "F", propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
+      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, details_known_2: 1, assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
 
       def replace_person_details(export_file)
         export_file.sub!("<age2>32</age2>", "<age2>-9</age2>")
@@ -180,7 +180,7 @@ RSpec.describe Exports::LettingsLogExportService do
       end
 
       context "and one lettings log is available for export" do
-        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", age2: 32, sex2: "M", uprn_known: 1, uprn: "100023336956", propcode: "123", postcode_full: "SE2 6RT", ppostcode_full: "SE2 6RT", tenancycode: "BZ737", startdate: Time.zone.local(2023, 4, 2, 10, 36, 49), voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
+        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, uprn_known: 1, uprn: "100023336956", propcode: "123", postcode_full: "SE2 6RT", ppostcode_full: "SE2 6RT", tenancycode: "BZ737", startdate: Time.zone.local(2023, 4, 2, 10, 36, 49), voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4) }
         let(:expected_zip_filename) { "core_2023_2024_apr_mar_f0001_inc0001.zip" }
         let(:expected_data_filename) { "core_2023_2024_apr_mar_f0001_inc0001_pt001.xml" }
         let(:xml_export_file) { File.open("spec/fixtures/exports/general_needs_log_23_24.xml", "r:UTF-8") }
@@ -400,7 +400,7 @@ RSpec.describe Exports::LettingsLogExportService do
     end
 
     context "and one lettings log with duplicate reference is available for export" do
-      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", age2: 32, sex2: "M", propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, duplicate_set_id: 123) }
+      let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, propcode: "123", ppostcode_full: "SE2 6RT", postcode_full: "NW1 5TY", town_or_city: "London", tenancycode: "BZ737", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, duplicate_set_id: 123) }
 
       def replace_duplicate_set_id(export_file)
         export_file.sub!("<duplicate_set_id/>", "<duplicate_set_id>123</duplicate_set_id>")
@@ -433,7 +433,7 @@ RSpec.describe Exports::LettingsLogExportService do
       end
 
       context "and one lettings log is available for export" do
-        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", age2: 32, sex2: "M", ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", startdate: Time.zone.local(2024, 4, 2, 10, 36, 49), voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
+        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", startdate: Time.zone.local(2024, 4, 2, 10, 36, 49), voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
         let(:expected_zip_filename) { "core_2024_2025_apr_mar_f0001_inc0001.zip" }
         let(:expected_data_filename) { "core_2024_2025_apr_mar_f0001_inc0001_pt001.xml" }
         let(:xml_export_file) { File.open("spec/fixtures/exports/general_needs_log_24_25.xml", "r:UTF-8") }
@@ -465,7 +465,7 @@ RSpec.describe Exports::LettingsLogExportService do
       end
 
       context "and one lettings log is available for export" do
-        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, startdate: Time.zone.local(2025, 4, 3), assigned_to: user, age1: 35, sex1: "F", age2: 32, sex2: "M", ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
+        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, startdate: Time.zone.local(2025, 4, 3), assigned_to: user, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
         let(:expected_zip_filename) { "core_2025_2026_apr_mar_f0001_inc0001.zip" }
         let(:expected_data_filename) { "core_2025_2026_apr_mar_f0001_inc0001_pt001.xml" }
         let(:xml_export_file) { File.open("spec/fixtures/exports/general_needs_log_25_26.xml", "r:UTF-8") }
@@ -497,7 +497,7 @@ RSpec.describe Exports::LettingsLogExportService do
       end
 
       context "and one lettings log is available for export" do
-        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, startdate: Time.zone.local(2026, 4, 3), assigned_to: user, age1: 35, sexrab1: "F", sex1: "F", age2: 32, sexrab2: "M", sex2: "M", ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
+        let!(:lettings_log) { FactoryBot.create(:lettings_log, :completed, startdate: Time.zone.local(2026, 4, 3), assigned_to: user, age1: 35, sexrab1: "F", sex1: nil, age2: 32, sexrab2: "M", sex2: nil, ppostcode_full: "A1 1AA", nationality_all_group: 13, propcode: "123", postcode_full: "SE2 6RT", tenancycode: "BZ737", voiddate: Time.zone.local(2021, 11, 3), mrcdate: Time.zone.local(2022, 5, 5, 10, 36, 49), tenancylength: 5, underoccupation_benefitcap: 4, creation_method: 2, bulk_upload_id: 1, address_line1_as_entered: "address line 1 as entered", address_line2_as_entered: "address line 2 as entered", town_or_city_as_entered: "town or city as entered", county_as_entered: "county as entered", postcode_full_as_entered: "AB1 2CD", la_as_entered: "la as entered", manual_address_entry_selected: false, uprn: "1", uprn_known: 1) }
         let(:expected_zip_filename) { "core_2026_2027_apr_mar_f0001_inc0001.zip" }
         let(:expected_data_filename) { "core_2026_2027_apr_mar_f0001_inc0001_pt001.xml" }
         let(:xml_export_file) { File.open("spec/fixtures/exports/general_needs_log_26_27.xml", "r:UTF-8") }
@@ -609,7 +609,7 @@ RSpec.describe Exports::LettingsLogExportService do
     let(:scheme) { FactoryBot.create(:scheme, :export, owning_organisation: organisation) }
     let(:location) { FactoryBot.create(:location, :export, scheme:, startdate: Time.zone.local(2021, 4, 1), old_id: "1a") }
 
-    let(:lettings_log) { FactoryBot.create(:lettings_log, :completed, :export, :sh, scheme:, location:, assigned_to: user, updated_by: other_user, owning_organisation: organisation, age1: 35, sex1: "F", age2: 32, sex2: "M", startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), underoccupation_benefitcap: 4, sheltered: 1) }
+    let(:lettings_log) { FactoryBot.create(:lettings_log, :completed, :export, :sh, scheme:, location:, assigned_to: user, updated_by: other_user, owning_organisation: organisation, age1: 35, sex1: "F", sexrab1: nil, age2: 32, sex2: "M", sexrab2: nil, startdate: Time.zone.local(2022, 2, 2, 10, 36, 49), voiddate: Time.zone.local(2019, 11, 3), mrcdate: Time.zone.local(2020, 5, 5, 10, 36, 49), underoccupation_benefitcap: 4, sheltered: 1) }
 
     before do
       lettings_log.postcode_full = nil