Mich. Comp. Laws § 400.13
The commission is hereby authorized, subject to the approval of the attorney general, to enter into reciprocal agreements with corresponding state agencies of other states, regarding the interstate transportation of indigent persons, and to arrange with the proper officials in this state for the acceptance, transfer and support of persons receiving any form of public aid or relief in other states in accordance with the terms of such reciprocal agreement: Provided, That this state shall not, nor shall any county or any county department of social welfare, in this state, be committed to the support of persons whom the commission determines are not entitled to public support under the laws of this state. This section shall be so interpreted and construed as to effectuate its general purpose to make uniform laws of such states as enact similar legislation.
MCL 400.13