Mich. Admin. Code R. 432.15
(1) The bureau shall prepare tickets for sale to the public. The commissioner shall determine the price of a ticket and shall announce the price by directives, advertising, and other means calculated to give reasonable notice to the public. (2) The commissioner may limit wagering on any particular number or combination of numbers when he or she determines it is in the best interest of the bureau and the state of Michigan. (3) When a lottery ticket is purchased, the purchaser accepts the terms of the lottery ticket contract. Each lottery ticket provides that all ticket transactions and claims are subject to the laws of the state of Michigan, the rules, regulations, all directives of the Michigan lottery, and any subsequent changes. In questions involving ticket validation, the commissioner’s determination is final. In cases of dispute for any reason, the commissioner may at his or her sole discretion, replace the disputed ticket with an unplayed ticket of equal value or refund the retail sales price. The commissioner’s decision to replace or refund the ticket is the purchaser’s exclusive remedy. The rules governing a particular lottery game are set forth in bureau of state lottery directives. The directives govern the terms and conditions of play. (4) The sale of a valid lottery ticket is final and a retailer shall not accept ticket returns. (5) The retailer will be responsible for remitting the balance owed for tickets that are not accounted for by a retailer in a manner as directed by the commissioner. (6) The commissioner shall establish a procedure for the disposition of unsold tickets. (7) A retailer shall return tickets printed in error or damaged in any way by the bureau to the bureau for credit.
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