Mich. Comp. Laws § 38.1331: Reserve for administrative expenses.

Sec. 31.

The reserve for administrative expenses is the account from which the expenses of the administration of the retirement system, exclusive of amounts payable as retirement allowances and other benefits provided in this act, shall be paid. An amount determined necessary by the retirement board and the department to cover the expenses of administering this act shall be transferred annually from the reserve for undistributed investment income to the reserve for administrative expenses.