http://www.legislation.gov.uk/uksi/2001/561/schedule/3/part/2/made
The Road Vehicles (Display of Registration Marks) Regulations 2001
Vehicles
King's Printer of Acts of Parliament
2016-10-05
ROAD TRAFFIC
These Regulations revoke and replace regulations 17 to 22 of the Road Vehicles (Registration and Licensing) Regulations 1971 and regulations 18 to 23 of the Road Vehicles (Registration and Licensing) Regulations (Northern Ireland) 1973 and instruments amending those regulations by making new provision in respect of the fixing and lighting of registration plates on vehicles and for the format of registration marks.