“10A. For the purposes of subparagraph 43 (a) (ii) of the Act, the purpose of conducting an air gun shooting gallery—
(a) at the National Exhibition Centre during the period commencing on 20 February 1998 and ending on the expiration of 27 February 1998 in conjunction with the Royal Canberra Show; or
(b) during the period commencing on 7 March 1998 and ending on the expiration of 16 March 1998 in conjunction with the Canberra Festival;
is a prescribed purpose.”.