If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email email@example.com.
Please tell us what format you need. It will help us if you say what assistive technology you use.
Use this form to:
provide details of notifiable alterations
apply for a change of plated details of an HGV or trailer with a gross plated weight of over 3.5 tonnes
apply for a design weight certificate
Your application will be delayed if you don’t fill in the form correctly or pay the £27 fee.