(1) These Regulations may be cited as the Explosives Act 1875 etc. (Metrication and Miscellaneous Amendment) Regulations 1984 and shall come into operation on 8th May 1984.
(2) In these Regulations “ the principal instruments ” means —
(a) the Explosives Act 1875,
(b) the Order in Council ( No. 16B) under the Explosives Act 1875, amending Order in Council of October 26 1896 (No. 16), relating to the keeping of Mixed Explosives on Registered Premises (“Order in Council No. 16B”),
(c) the Packing of Explosive for Conveyance Rules 1949 ,
(d) the Ammonium Nitrate Mixtures Exemption Order 1967, and
(e) the Orders in Council and orders specified in column 1 of Schedule 1 to these Regulations.