HMRC internal manual

Customs Authorisation and Approval

Pre-authorisation or approval controls and checklists for officers: Generic Validation Tests for Applications: Validation and Completion Checks on the application form

You should check the other guidance available on GOV.UK from HMRC as Brexit updates to those pages are being prioritised before manuals.

(This content has been withheld because of exemptions in the Freedom of Information Act 2000)