Mich. Admin. Code R. 432.1830
Rule 830.
Before destroying chips, a casino licensee shall notify the executive director, in writing, of the date and the location at which the destruction will be performed, the denomination, number, and amount of value chips to be destroyed, the description and number of nonvalue chips to be destroyed, and a detailed explanation of the method of destruction. Unless otherwise authorized by the board, the destruction of chips shall be carried out in the presence of not less than 2 individuals, 1 of whom shall be an employee of the board. A licensee shall ensure that the denomination, number, and amount of value chips, and the number and description of nonvalue chips, destroyed are recorded in the chip inventory ledger together with the signatures of the individuals carrying out the destruction and the date on which the destruction took place.
Mich. Admin. Code R. 432.1830