Make changes to your authorised testing facility (ATF)

Apply to change your authorised testing facility (ATF) details, including your site manager, operating hours or vehicle classes, or make physical site changes.


Change or update your authorised testing facility (ATF) details

This file may not be suitable for users of assistive technology. Request an accessible format.

If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email Please tell us what format you need. It will help us if you say what assistive technology you use.


Use this form to make changes or update an existing ATF for the testing of heavy goods vehicles, trailers and public service vehicles.

You need to apply to make changes to:

  • your trading company or legal entity
  • authorised signatory, site manager or deputy manager
  • your site, third-party access, operating hours, classes of vehicles your ATF can test, and your site equipment

Send the form to the Driver and Vehicle Standards Agency.

ATF Applications
Contract Management Team
Driver and Vehicle Standards Agency
Berkeley House
Croydon Street

Published 21 March 2018