From 1 January 2008 the law will also apply to all vehicles first registered after 1 January 2005 and only used in Britain. Vehicles used in Europe and registered after 1 January 2005 are already affected.
Rental giant TLS reckons that few operators are aware of the new rules. When they realise the implications of the change they're likely to want to hire vehicles in the weight categories affected registered after 1 January 2005; for the rest of this year at least.