s 1 Title and commencement
(1) This Order may be cited as the Planning (Northern Ireland) Order 1991. (2) Subject to paragraph (3), this Order shall come into operation on the expiration of 3 months from the day on which it is made. (3) Articles 28, 53 to 63 and 81 shall come into operation on such day or days as the Head of the Department may by order appoint .