The referendum shall be conducted in accordance with the provisions of section 218 (d) (3) of title II of the social security act, by the retirement system governing body, or, if no such retirement system governing body, then by the governing body of the political subdivision under the supervision of the governor or any agency or individual designated by him on the question of whether service in positions covered by a retirement system established by the state or by a political subdivision thereof should be excluded from or included under an agreement under this act: Provided, That in the case of a retirement system that is part of the charter of the political subdivision, the plan shall be agreed to by action of the governing body of the political subdivision and by referendum of the employees as herein provided, before submission to the electorate.
The notice of referendum required by section 218(d)(3)(c) of title II of the social security act to be given to employees shall be accompanied by, or shall, not less than 40 days prior to the referendum, be supplemented by a statement in such manner, form and detail as the agency or individual designated to supervise the referendum shall deem necessary and sufficient to inform the employees of the rights which will accrue to them and their dependents and survivors, and the liabilities to which they will be subject if their services are included under an agreement under this act. In case a 90 day period after notice of referendum shall lapse before changes in a retirement system shall have been enacted or approved as above provided, then the date of referendum shall be automatically extended to not less than 40 days after such enactment or adoption.
MCL 38.871