40 ILCS 5/15-113.8

Previous service with employer affiliated alumni and athletic associations and foundations. "Previous service with employer affiliated alumni and athletic associations and foundations": Includes the following periods:

(a) Periods of service prior to October 1, 1959 for employer affiliated alumni associations and foundations for which service credit has been granted under the provisions relating to this service in effect on January 1, 1984.

(b) Periods of service prior to October 1, 1966 for affiliated athletic associations for which service credit has been granted under the provisions relating to this service in effect on January 1, 1984.