HM Revenue & Customs

Verification Number - Automatic

Automatic Update

When we verify a subcontractor, we will give the contractor a verification reference number. The verification reference number will be the same for each subcontractor that we have verified at the same time. If it is not possible to confirm the identity of a subcontractor, we will add one or two letters to the end of the number so that it is unique to that subcontractor.

The verification number is very important if the contractor has been told to make deductions from the subcontractor's payments at the higher rate as the subcontractor will need this reference number later when seeking credit for any deductions made.

The verification number will be automatically notified to us when you submit a monthly return online.