UN Regulations or amendments thereto which the F2United Kingdom has voted in favour of, or that the F2United Kingdom applies and that are listed in Annex II, shall be part of the requirements for the F3GB  type-approval of vehicles, systems, components or separate technical units.

Where the F4United Kingdom has voted in favour of a UN Regulation or amendments thereto for the purpose of whole-vehicle type-approval, the F5the Secretary of State may by regulations supplement this Regulation by making that UN Regulation or the amendments thereto compulsory or amending this Regulation.

F6Regulations made under this paragraph must specify the dates from which that UN Regulation or amendments are to be compulsory, and shall include transitional provisions, where appropriate, and, where applicable for the purposes of F7GB  type-approval, first registration and entry into service of vehicles and making available on the market of systems, components and separate technical units.

UN Regulations and amendments made thereto which are compulsory and the dates from which they are compulsory are specified in Annex XII.

The UN Regulations listed in Part II of Annex II are recognised as being equivalent to the corresponding regulatory acts to the extent that they share the same scope and subject matter.

The approval F10authority shall accept type-approvals granted in accordance with the UN Regulations referred to in paragraph 1 and, where applicable, shall accept the relevant approval marks in place of the corresponding type-approvals and approval marks that were granted in accordance with this Regulation and the regulatory acts listed in Annex II.