The Public Service Vehicles (Construction) (Amendment) Regulations (Northern Ireland) 1951
The Ministry of Commerce in exercise of the powers conferred on it by Part II of the Motor Vehicles (Traffic and Regulations) Act (Northern Ireland), 1926 (b), and all other powers on that behalf thereunto enabling it hereby makes the following Regulations, further amending the Public Service Vehicles (Construction) Regulations, 1932 (a) (hereinafter referred to as "the Principal Regulations"), that is to say:-

(a) S. R. & O. (N.I.) 1934 No. 87. (b) 16 & 17 Geo. 5. ch. 31 (N.I.).