The Planning and Building Regulations (1990 Order) (Commencement No. 1) Order (Northern Ireland) 1991
The Department of the Environment, in exercise of the powers conferred by Article 1(3) and (4) of the Planning and Building Regulations (Amendment) (Northern Ireland) Order 1990 and paragraph 2(1) of Schedule 1 to the Northern Ireland Act 1974 and of every other power enabling it in that behalf, hereby makes the following Order: