The Road Vehicles (Traffic Signs) Regulations (Northern Ireland) 1955
The Ministry of Home Affairs, in exercise of the powers vested in it by Section eight of the Motor Vehicles and Road Traffic Act (Northern Ireland), 1929, and of all other powers in that behalf enabling it, hereby makes the following Regulations:-

Sealed with the official seal of the Ministry of Home Affairs for Northern Ireland this 16th day of November one thousand nine hundred and fifty-five, in the presence of R. F. R. Dunbar, Assistant Secretary.