HB 4263 of 2021 Posted on December 16, 2022 by Retirement: public school employees; calculation of unfunded actuarial accrued liability contributions; modify. Amends sec. 41 of 1980 PA 300 (MCL 38.1341). Last Action: 12/8/2022 – presented to the Governor 12/13/2022 11:04 AM