Michigan Compiled Laws, Chapter 38. Civil Service and Retirement § 38.383a

Sec. 3a. A state supported institution of higher education that before January 1, 1970 was part of another institution of higher education that had authority under this act to make the optional retirement program available to its eligible employees is authorized to continue making the optional retirement program available to the state supported institution of higher education's employees on and after its separation from the other institution of higher education.