The Welsh Ministers, in exercise of the powers conferred upon the Secretary of State by section 99(1) and (2) of the Road Traffic Regulation Act 1984 The functions of the Secretary of State for Transport under the Road Traffic Regulation Act 1984 were transferred to the National Assembly for Wales by virtue of the National Assembly for Wales (Transfer of Functions) Order 2004 (S.I. 2004/3044). These functions were transferred to the Welsh Ministers by virtue of paragraph 30 of Schedule 11 to the Government of Wales Act 2006 (2006 c. 32).