Citation, finance and commencement
1.—(1) This Order may be cited as the Social Security (Contributions) (Northern Ireland) Order 1991, and this Order shall be included among the Acts which may be cited together as the Social Security (Northern Ireland) Acts 1975 to 1991.
(2) There shall be paid into the Consolidated Fund any increase by virtue of this Order in the sums so payable by virtue of any other enactment.
(3) Any provision of this Order which amends an enactment not in operation when this Order is made shall come into operation on the day on which that enactment comes into operation.
(4) This Order has effect in relation to the tax year beginning with 6th April 1991 and subsequent tax years; and in this paragraph “tax year” has the meaning assigned to it by Schedule 17 to the Social Security (Northern Ireland) Act 1975(1) (in this Order referred to as “the 1975 Act”).