UNECE regulations required for EU type-approval
Article 54
1. UNECE regulations or amendments thereto which the Union has voted in favour of or to which the Union has acceded and which are listed in this Regulation or in the delegated acts adopted pursuant to this Regulation shall be part of the requirements for the EU type-approval of a vehicle. 2. The approval authorities of the Member States shall accept approvals granted in accordance with the UNECE regulations referred to in paragraph 1 and, where applicable, the relevant approval marks, in place of the corresponding approvals and approval marks granted in accordance with this Regulation and the delegated acts adopted pursuant to this Regulation. 3. Where the Union has voted in favour of a UNECE regulation or amendments thereto for the purpose of EU vehicle type-approval, the Commission shall adopt a delegated act in accordance with Article 75 in order to make the UNECE regulation or amendments thereto compulsory and to amend this Regulation or to amend the delegated acts adopted pursuant to this Regulation, as appropriate. That delegated act shall specify the dates of compulsory application of the UNECE regulation or amendments thereto and shall include transitional provisions where appropriate. The Commission shall adopt separate delegated acts indicating the mandatory application of UNECE regulations.