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.
The Home Office Centre for Applied Science and Technology (CAST) invites test facilities to undertake compliance testing for Home Office type approval of traffic law enforcement devices against the standards outlined in the accompanying document.