You will require this approval from if intend to conduct a Calcutta sweepstakes. Calcutta sweepstakes are lotteries where the winner is determined by the outcome of a sporting contingency, such as a horse, harness or greyhound race (e.g. the Melbourne Cup) or AFL Brownlow Medal Count and usually involve the auctioning of drawn tickets.
Approval may be applied for by any club, society or other association.