diff --git a/lib/tasks/deployment/20230615182245_validate_procedure_liens.rake b/lib/tasks/deployment/20230615182245_validate_procedure_liens.rake
new file mode 100644
index 000000000..8160cfc80
--- /dev/null
+++ b/lib/tasks/deployment/20230615182245_validate_procedure_liens.rake
@@ -0,0 +1,66 @@
+namespace :after_party do
+  desc 'Deployment task: validate_procedure_liens'
+  task validate_procedure_liens: :environment do
+    puts "Running deploy task 'validate_procedure_liens'"
+
+    procedures = Procedure.with_discarded.with_external_urls
+    progress = ProgressReport.new(procedures.count)
+
+    errors = []
+
+    each_error = -> (procedure, &block) {
+      procedure.errors.each do |error|
+        case error.attribute
+        when :lien_notice
+          block.call :lien_notice, procedure.lien_notice
+        when :lien_dpo
+          block.call :lien_dpo, procedure.lien_dpo
+        end
+      end
+    }
+
+    procedures.find_each do |procedure|
+      if !procedure.valid?
+        each_error.(procedure) do |attribute, url|
+          h = {}
+          h[attribute] = url.strip.gsub(/[.;]$/, '').gsub(/^hhttps/, 'https').gsub(/^https\/\//, 'https://')
+          procedure.assign_attributes(h)
+        end
+
+        if !procedure.save
+          each_error.(procedure) do |attribute, url|
+            if !url.match?(/@/) && !url.start_with?('http')
+              h = {}
+              h[attribute] = "https://#{url}"
+              procedure.assign_attributes(h)
+            end
+          end
+
+          if !procedure.save
+            each_error.(procedure) do |attribute, url|
+              h = {}
+              h[attribute] = nil
+              procedure.assign_attributes(h)
+              errors << { attribute:, url: url.gsub('https://', '') }
+            end
+            procedure.save
+          end
+        end
+      end
+      progress.inc
+    end
+
+    progress.finish
+
+    errors.each do |error|
+      rake_puts "removed invalid #{error[:attribute]}: #{error[:url]}"
+    end
+
+    Procedure.with_external_urls.find_each { ::ProcedureExternalURLCheckJob.perform_later(_1) }
+
+    # Update task as completed.  If you remove the line below, the task will
+    # run with every deploy (or every time you call after_party:run).
+    AfterParty::TaskRecord
+      .create version: AfterParty::TaskRecorder.new(__FILE__).timestamp
+  end
+end