Sch 7A Pt 2 para 2A Meaning of “related base unit”
In this Group “related base unit” means a base unit which is designed solely for the purpose of attaching a safety seat securely in a road vehicle by means of anchorages that form part of the base unit and which, when in use in a road vehicle, can be restrained in one or more of the following ways— (a) by a seat belt fitted in the vehicle, or (b) by permanent anchorage points in the vehicle, or (c) by belts attached to permanent anchorage points in the vehicle.