Michigan Compiled Laws, Chapter 38. Civil Service and Retirement § 38.1640c

Sec. 40c. (1) Beginning October 1, 2015, and subject to an annual appropriation, if the annual retirement allowance payable to a retirant or a retirement allowance beneficiary of a deceased retirant or member is less than $16,000.00 in the preceding fiscal year, the retirement system shall pay the retirant or retirement allowance beneficiary a supplemental benefit in the amount sufficient to produce an annual retirement allowance of $16,000.00 for the current fiscal year. This section only applies to a retirant or retirement allowance beneficiary of a deceased retirant or member who meets both of the following requirements:

(2) The payment of the supplemental benefit provided in subsection (1) must be made on a schedule and in a manner determined by the office of retirement services.