Mich. Comp. Laws § 123.634

Sec. 4. For the purpose of providing funds to meet the expenses of the intermunicipal committee, the member governing bodies, by resolution, may authorize the allocation of municipal funds for such purpose. The proportion of the total amount of funds to be provided by each member municipality shall be based on the recommendation of the intermunicipality committee, or shall be provided for in the bylaws of the committee, which shall have been approved by the member governing bodies.