If you use assistive technology (such as a screen reader) and need a
version of this document in a more accessible format, please email firstname.lastname@example.org.
Please tell us what format you need. It will help us if you say what assistive technology you use.
How to make sure that American (US) caravans and trailers with a gross laden weight up to 3.5 tonnes comply with UK regulations on brakes and couplings.