Sections 37 to 41 and Schedule 3 apply to—
(a) New Zealand Thoroughbred Racing Incorporated and Harness Racing New Zealand Incorporated, and the racing governed by those codes, on and from the date of commencement of this Act:
(b) the New Zealand Greyhound Racing Association (Incorporated), and the racing governed by that code, on and from a date specified for the purposes of this paragraph by the Governor-General by Order in Council.