diff --git a/lib/tasks/search_for_la_on_logs_with_nil_la.rake b/lib/tasks/search_for_la_on_logs_with_nil_la.rake
new file mode 100644
index 000000000..e5b70b0be
--- /dev/null
+++ b/lib/tasks/search_for_la_on_logs_with_nil_la.rake
@@ -0,0 +1,45 @@
+desc "For all logs missing an LA that could have one, call the postcode changed method to request a new one from postcodes API. For logs where an LA still cannot be found, this will set them back to in progress."
+task :search_for_la_on_logs_with_nil_la, [:year] => :environment do |_task, args|
+  include CollectionTimeHelper
+
+  year = args[:year]&.to_i || current_collection_start_year
+
+  lettings_logs = LettingsLog.filter_by_year(year).where(la: nil, needstype: 1, bulk_upload_id: nil)
+  sales_logs = LettingsLog.filter_by_year(year).where(la: nil, bulk_upload_id: nil)
+
+  puts "Checking LA on #{lettings_logs.count} lettings logs in #{year}"
+
+  i = 0
+  lettings_logs.find_each do |log|
+    next unless log.valid?
+
+    log.process_postcode_changes!
+    unless log.save
+      puts "Failed to save lettings log #{log.id}"
+      puts "Errors: #{log.errors.full_messages}"
+    end
+    i += 1
+    if (i % 100).zero?
+      puts "Processed #{i} lettings logs"
+    end
+  end
+
+  puts "Checking LA on #{sales_logs.count} sales logs in #{year}"
+
+  i = 0
+  sales_logs.find_each do |log|
+    next unless log.valid?
+
+    log.process_postcode_changes!
+    unless log.save
+      puts "Failed to save sales log #{log.id}"
+      puts "Errors: #{log.errors.full_messages}"
+    end
+    i += 1
+    if (i % 100).zero?
+      puts "Processed #{i} sales logs"
+    end
+  end
+
+  puts "Done"
+end