(1)In section 17(2) of the [1972 c. 25.] Betting and Gaming Duties Act 1972 (amount of bingo duty)—
(a)for the words " 5 per cent. “, in both places where they occur, there shall be substituted the words ” 7 ½ per cent. "; and
(b)for the words “one-nineteenth” there shall be substituted the words “three thirty-sevenths ”.
(2)This section shall have effect from 29th September 1980.