diff --git a/app/services/csv/lettings_log_csv_service.rb b/app/services/csv/lettings_log_csv_service.rb
index bd1edfdbf..f97abfd2c 100644
--- a/app/services/csv/lettings_log_csv_service.rb
+++ b/app/services/csv/lettings_log_csv_service.rb
@@ -177,7 +177,7 @@ module Csv
           value
         when "labels"
           answer_label = get_label(value, attribute, log)
-          answer_label || label_if_boolean_value(value) || YES_OR_BLANK_ATTRIBUTES.include?(attribute) ? yes_or_blank_label(value) : value
+          answer_label || label_if_boolean_value(value) || (YES_OR_BLANK_ATTRIBUTES.include?(attribute) && value != 1 ? nil : value)
         end
       end
     end
@@ -187,7 +187,9 @@ module Csv
       return IRPRODUCT_LABELS[value] if attribute == "irproduct"
       return LAR_LABELS[value] if attribute == "lar"
       return NEWPROP_LABELS[value] if attribute == "newprop"
+      return INCREF_LABELS[value] if attribute == "incref"
       return conventional_yes_no_label(value) if CONVENTIONAL_YES_NO_ATTRIBUTES.include?(attribute)
+      return "Yes" if YES_OR_BLANK_ATTRIBUTES.include?(attribute) && value == 1
 
       log.form
          .get_question(attribute, log)
@@ -241,9 +243,9 @@ module Csv
     }.freeze
 
     INCREF_LABELS = {
-      1 => "Yes",
-      0 => "No",
-      3 => "Don't know",
+      0 => "Yes",
+      2 => "No",
+      1 => "Prefers not to say",
     }.freeze
 
     CONVENTIONAL_YES_NO_ATTRIBUTES = %w[illness_type_1 illness_type_2 illness_type_3 illness_type_4 illness_type_5 illness_type_6 illness_type_7 illness_type_8 illness_type_9 illness_type_10 refused cbl cap chr letting_allocation_none housingneeds_a housingneeds_b housingneeds_c housingneeds_d housingneeds_e housingneeds_f housingneeds_g housingneeds_h has_benefits nocharge].freeze
diff --git a/spec/fixtures/files/lettings_log_csv_export_non_support_labels.csv b/spec/fixtures/files/lettings_log_csv_export_non_support_labels.csv
index 05e1b445a..d21c61acc 100644
--- a/spec/fixtures/files/lettings_log_csv_export_non_support_labels.csv
+++ b/spec/fixtures/files/lettings_log_csv_export_non_support_labels.csv
@@ -1,2 +1,2 @@
 id,status,created_by,is_dpo,created_at,updated_by,updated_at,creation_method,collection_start_year,owning_organisation_name,managing_organisation_name,needstype,lettype,renewal,startdate,renttype,rent_type_detail,irproduct,irproduct_other,lar,tenancycode,propcode,uprn_known,uprn,address_line1,address_line2,town_or_city,county,postcode_full,la_label,unitletas,rsnvac,newprop,offered,unittype_gn,builtype,wchair,beds,voiddate,vacdays,void_date_value_check,majorrepairs,mrcdate,major_repairs_date_value_check,joint,startertenancy,tenancy,tenancyother,tenancylength,sheltered,declaration,hhmemb,refused,age1,sex1,ethnic_group,ethnic,national,ecstat1,relat2,age2,sex2,ecstat2,relat3,age3,sex3,ecstat3,relat4,age4,sex4,ecstat4,relat5,age5,sex5,ecstat5,relat6,age6,sex6,ecstat6,relat7,age7,sex7,ecstat7,relat8,age8,sex8,ecstat8,armedforces,leftreg,reservist,preg_occ,housingneeds,housingneeds_type,housingneeds_a,housingneeds_b,housingneeds_c,housingneeds_f,housingneeds_g,housingneeds_h,housingneeds_other,illness,illness_type_4,illness_type_5,illness_type_2,illness_type_6,illness_type_7,illness_type_3,illness_type_9,illness_type_8,illness_type_1,illness_type_10,layear,waityear,reason,reasonother,prevten,homeless,ppcodenk,ppostcode_full,prevloc_label,reasonpref,rp_homeless,rp_insan_unsat,rp_medwel,rp_hardship,rp_dontknow,cbl,cap,chr,letting_allocation_none,referral,referral_value_check,incref,earnings,incfreq,hb,has_benefits,benefits,household_charge,nocharge,period,is_carehome,chcharge,wchchrg,carehome_charges_value_check,brent,scharge,pscharge,supcharg,tcharge,scharge_value_check,pscharge_value_check,supcharg_value_check,hbrentshortfall,tshortfall,scheme_code,scheme_service_name,scheme_sensitive,SCHTYPE,scheme_registered_under_care_act,scheme_owning_organisation_name,scheme_primary_client_group,scheme_has_other_client_group,scheme_secondary_client_group,scheme_support_type,scheme_intended_stay,scheme_created_at,location_code,location_postcode,location_name,location_units,location_type_of_unit,location_mobility_type,location_local_authority,location_startdate
-,completed,choreographer@owtluk.com,false,2023-06-26T00:00:00+01:00,,2023-06-26T00:00:00+01:00,single log,2023,DLUHC,DLUHC,General needs,7,No,2023-06-26,2,Affordable Rent,,,2,HIJKLMN,ABCDEFG,No,,fake address,,London,,NW9 5LL,Barnet,Affordable rent basis,Tenant abandoned property,2,2,House,Purpose built,Yes,3,2023-06-24,1,,Yes,2023-06-25,,Don’t know,Yes,Assured Shorthold Tenancy (AST) – Fixed term,,2,,1,4,1,35,Female,White,Irish,Tenant prefers not to say,Other,Partner,32,Male,Not seeking work,Prefers not to say,Not known,Prefers not to say,Prefers not to say,Person prefers not to say,Not known,Person prefers not to say,Person prefers not to say,,,,,,,,,,,,,,,,,Yes – the person is a current or former regular,No – they left up to and including 5 years ago,Yes,No,Yes,Fully wheelchair accessible housing,1,0,0,0,0,0,No,Yes,0,0,1,0,0,0,0,0,0,0,Less than 1 year,1 year but under 2 years,Loss of tied accommodation,,Other supported housing,No,Yes,TN23 6LZ,Ashford,Yes,0,1,0,0,0,0,0,1,,Tenant applied directly (no referral or nomination),,0,68,Weekly,Universal Credit housing element,1,All,,0,Every 2 weeks,,,,,200.0,50.0,40.0,35.0,325.0,,,,Yes,12.0,,,,,,,,,,,,,,,,,,,,
+,completed,choreographer@owtluk.com,false,2023-06-26T00:00:00+01:00,,2023-06-26T00:00:00+01:00,single log,2023,DLUHC,DLUHC,General needs,Affordable rent general needs local authority,No,2023-06-26,2,Affordable Rent,Rent to Buy,,No,HIJKLMN,ABCDEFG,No,,fake address,,London,,NW9 5LL,Barnet,Affordable rent basis,Tenant abandoned property,No,2,House,Purpose built,Yes,3,2023-06-24,1,,Yes,2023-06-25,,Don’t know,Yes,Assured Shorthold Tenancy (AST) – Fixed term,,2,,Yes,4,Yes,35,Female,White,Irish,Tenant prefers not to say,Other,Partner,32,Male,Not seeking work,Prefers not to say,Not known,Prefers not to say,Prefers not to say,Person prefers not to say,Not known,Person prefers not to say,Person prefers not to say,,,,,,,,,,,,,,,,,Yes – the person is a current or former regular,No – they left up to and including 5 years ago,Yes,No,Yes,Fully wheelchair accessible housing,Yes,No,No,No,No,No,No,Yes,No,No,Yes,No,No,No,No,No,No,No,Less than 1 year,1 year but under 2 years,Loss of tied accommodation,,Other supported housing,No,Yes,TN23 6LZ,Ashford,Yes,,Yes,,,,No,No,Yes,,Tenant applied directly (no referral or nomination),,Yes,68,Weekly,Universal Credit housing element,Yes,All,,No,Every 2 weeks,,,,,200.0,50.0,40.0,35.0,325.0,,,,Yes,12.0,,,,,,,,,,,,,,,,,,,,
diff --git a/spec/services/csv/lettings_log_csv_service_spec.rb b/spec/services/csv/lettings_log_csv_service_spec.rb
index 6cd1c14a7..4e6e21621 100644
--- a/spec/services/csv/lettings_log_csv_service_spec.rb
+++ b/spec/services/csv/lettings_log_csv_service_spec.rb
@@ -26,6 +26,7 @@ RSpec.describe Csv::LettingsLogCsvService do
       ecstat4: 10,
       relat4: "R",
       age4_known: 1,
+      incref: 0,
     )
   end
   let(:user) { create(:user, :support, email: "s.port@jeemayle.com") }
@@ -38,6 +39,8 @@ RSpec.describe Csv::LettingsLogCsvService do
   before do
     Timecop.freeze(fixed_time)
     Singleton.__init__(FormHandler)
+    log.irproduct = 1
+    log.save!(validate: false)
   end
 
   after do