Michigan constitution
Article VII
Section 28

The legislature by general law shall authorize two or more counties, townships,
cities, villages or districts, or any combination thereof among other things to: enter into
contractual undertakings or agreements with one another or with the state or with any
combination thereof for the joint administration of any of the functions or powers which each
would have the power to perform separately; share the costs and responsibilities of functions
and services with one another or with the state or with any combination thereof which each
would have the power to perform separately; transfer functions or responsibilities to one
another or any combination thereof upon the consent of each unit involved; cooperate with one
another and with state government; lend their credit to one another or any combination
thereof as provided by law in connection with any authorized publicly owned undertaking.
Officers, eligibility.
Any other provision of this constitution notwithstanding, an officer or employee of the state
or any such unit of government or subdivision or agency thereof, except members of the
legislature, may serve on or with any governmental body established for the purposes set forth
in this section and shall not be required to relinquish his office or employment by reason of
such service.