Hello Community Users! Just wanted to stop by and add some suggestions to try if your unable to submit the CIS return in Quickbooks Online, as the most common reasons why it is not submitting(assuming HMRC is not experiencing issues)

• You may be using the wrong login details. Log into the HMRC website to confirm that your Government Gateway user ID and password are correct.
• Make sure you're using the right 10-digit Unique Taxpayer Reference (UTR) number.
• Review that you're using the correct PAYE Reference number.
• Check that your suppliers have the correct references and CIS setup:
  • Accounts Office reference number
  • Subcontractor UTR number
  • National Insurance (NI) number
  • Verification number
• Delete any special characters and additional spaces in the subcontractor/contractor name field. Only use letters A-Z and numbers 0-9.