Retirement; state employees; naming a second spouse as beneficiary if first spouse predeceases him or her and naming of spouse as beneficiary if marriage occurs or is recognized after retirement allowance effective date; allow, and revise the determination of a beneficiary's actuarial equivalent retirement allowance. Amends secs. 20d, 31 & 49 of
1943 PA 240 (MCL
38.20d et seq.).