http://www.legislation.gov.uk/uksi/1981/367/madeThe Road Vehicles (Registration and Licensing) (Amendment) Regulations (Northern Ireland) 1981enKing's Printer of Acts of Parliament1981-03-20 The Road Vehicles (Registration and Licensing) (Amendment) Regulations (Northern Ireland) 1981RegulationsThe Road Vehicles (Registration and Licensing) Regulations 2002reg. 2(1) Sch. 1reg. 29reg. 1(2)