diff --git a/app/services/bulk_upload/lettings/year2024/row_parser.rb b/app/services/bulk_upload/lettings/year2024/row_parser.rb
index 598ae6d75..acf5d6467 100644
--- a/app/services/bulk_upload/lettings/year2024/row_parser.rb
+++ b/app/services/bulk_upload/lettings/year2024/row_parser.rb
@@ -679,13 +679,13 @@ private
   end
 
   def validate_reasonpref_reason_values
-    valid_reasonpref_reason_options = ["0","1"]
-   ["field_107", "field_108", "field_109", "field_110", "field_111"].each do |field|
-      if send(field).present? && !valid_reasonpref_reason_options.include?(send(field).to_s)
-        question_text = QUESTIONS[field.to_sym]
-        question_text[0] = question_text[0].downcase
-        errors.add(field.to_sym, I18n.t("#{ERROR_BASE_KEY}.invalid_option", question: question_text))
-      end
+    valid_reasonpref_reason_options = %w[0 1]
+    %w[field_107 field_108 field_109 field_110 field_111].each do |field|
+      next unless send(field).present? && !valid_reasonpref_reason_options.include?(send(field).to_s)
+
+      question_text = QUESTIONS[field.to_sym]
+      question_text[0] = question_text[0].downcase
+      errors.add(field.to_sym, I18n.t("#{ERROR_BASE_KEY}.invalid_option", question: question_text))
     end
   end
 
diff --git a/lib/tasks/correct_reasonpref_values.rake b/lib/tasks/correct_reasonpref_values.rake
new file mode 100644
index 000000000..4ec1bb8f0
--- /dev/null
+++ b/lib/tasks/correct_reasonpref_values.rake
@@ -0,0 +1,15 @@
+desc "Correct invalid BU reasonable preference values"
+task correct_reasonpref_values: :environment do
+  %w[rp_homeless rp_hardship rp_medwel rp_insan_unsat rp_dontknow].each do |field|
+    field_invalid = "#{field} != 1 AND #{field} != 0 AND #{field} is NOT NULL"
+
+    LettingsLog.filter_by_year(2024).where(field_invalid).find_each do |lettings_log|
+      lettings_log[field] = 0
+      unless lettings_log.save
+        Rails.logger.info("Failed to save reasonpref for LettingsLog with id #{lettings_log.id}: #{lettings_log.errors.full_messages}")
+      end
+    end
+
+    LettingsLog.filter_by_year(2023).where(field_invalid).update_all("#{field}": 0)
+  end
+end
diff --git a/spec/lib/tasks/correct_reasonpref_values_spec.rb b/spec/lib/tasks/correct_reasonpref_values_spec.rb
new file mode 100644
index 000000000..8a805e184
--- /dev/null
+++ b/spec/lib/tasks/correct_reasonpref_values_spec.rb
@@ -0,0 +1,111 @@
+require "rails_helper"
+require "rake"
+
+RSpec.describe "correct_reasonpref_values" do
+  describe ":correct_reasonpref_values", type: :task do
+    subject(:task) { Rake::Task["correct_reasonpref_values"] }
+
+    let(:organisation) { create(:organisation, rent_periods: [2]) }
+    let(:user) { create(:user, organisation:) }
+
+    before do
+      Rake.application.rake_require("tasks/correct_reasonpref_values")
+      Rake::Task.define_task(:environment)
+      task.reenable
+    end
+
+    context "when the rake task is run" do
+      context "and any of the reasonable_preference_reason options are not 1, 0 or nil" do
+        let(:bulk_upload) { create(:bulk_upload, :lettings, year: 2024, rent_type_fix_status: BulkUpload.rent_type_fix_statuses[:not_applied]) }
+
+        it "sets the options to 0" do
+          log = build(:lettings_log, :completed, reasonpref: 1, rp_homeless: -2, rp_hardship: 2, rp_medwel: 3, rp_insan_unsat: 4, rp_dontknow: 1,
+                                                 bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+
+          task.invoke
+          log.reload
+
+          expect(log.updated_at).not_to eq(initial_updated_at)
+          expect(log.status).to eq("completed")
+          expect(log.rp_homeless).to be(0)
+          expect(log.rp_hardship).to be(0)
+          expect(log.rp_medwel).to be(0)
+          expect(log.rp_insan_unsat).to be(0)
+          expect(log.rp_dontknow).to be(1)
+        end
+
+        it "updates the reasonable preference reason values on a pending log" do
+          log = build(:lettings_log, :completed, status: "pending", reasonpref: 1, rp_homeless: -2, rp_hardship: 1, rp_medwel: 3, rp_insan_unsat: 4, rp_dontknow: 2, bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+          expect(log.status).to eq("pending")
+
+          task.invoke
+          log.reload
+          expect(log.rp_homeless).to be(0)
+          expect(log.rp_hardship).to be(1)
+          expect(log.rp_medwel).to be(0)
+          expect(log.rp_insan_unsat).to be(0)
+          expect(log.rp_dontknow).to be(0)
+          expect(log.status).to eq("pending")
+          expect(log.updated_at).not_to eq(initial_updated_at)
+        end
+
+        it "does not update logs with valid values" do
+          log = build(:lettings_log, :completed, reasonpref: 1, rp_homeless: 0, rp_hardship: 1, rp_medwel: 0, rp_insan_unsat: 0, rp_dontknow: 0, bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+          expect(log.status).to eq("completed")
+
+          task.invoke
+          log.reload
+
+          expect(log.status).to eq("completed")
+          expect(log.updated_at).to eq(initial_updated_at)
+        end
+
+        it "updates the reasonable preference reason values if some of the checkbox values are valid" do
+          log = build(:lettings_log, :completed, status: "pending", reasonpref: 1, rp_homeless: 0, rp_hardship: 2, rp_medwel: 1, rp_insan_unsat: 0, rp_dontknow: 0, bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+          expect(log.status).to eq("pending")
+
+          task.invoke
+          log.reload
+          expect(log.rp_homeless).to be(0)
+          expect(log.rp_hardship).to be(0)
+          expect(log.rp_medwel).to be(1)
+          expect(log.rp_insan_unsat).to be(0)
+          expect(log.rp_dontknow).to be(0)
+          expect(log.status).to eq("pending")
+          expect(log.updated_at).not_to eq(initial_updated_at)
+        end
+
+        it "updates the reasonable preference reason values on a 2023 log" do
+          log = build(:lettings_log, :completed, startdate: Time.zone.local(2023, 6, 6), reasonpref: 1, rp_homeless: 0, rp_hardship: 2, rp_medwel: 1, rp_insan_unsat: 0, rp_dontknow: 0, bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+
+          task.invoke
+          log.reload
+
+          expect(log.updated_at).to eq(initial_updated_at)
+          expect(log.rp_hardship).to eq(0)
+        end
+
+        it "does not update and logs error if a validation triggers" do
+          log = build(:lettings_log, :completed, postcode_full: "0", reasonpref: 1, rp_homeless: 0, rp_hardship: 2, rp_medwel: 1, rp_insan_unsat: 0, rp_dontknow: 0, bulk_upload:, assigned_to: user)
+          log.save!(validate: false)
+          initial_updated_at = log.updated_at
+
+          task.invoke
+          log.reload
+
+          expect(log.updated_at).to eq(initial_updated_at)
+        end
+      end
+    end
+  end
+end