WILLIS J. ZICK, Corporation Counsel, Waukesha County Attorney General of Wisconsin — Opinion October 18, 1974. Counties; Protective Occupation; Retirement Systems; The Age Discrimination in Employment Act of 1967, as amended, does not invalidate secs. 41.02 (23), Stats. (retirement ages under the Public Employes Retirement Law), or 41.11 (1), Stats. (mandatory retirement at reaching retirement […]