The department, subject to the approval of the Attorney General, may enter into reciprocal agreements with corresponding state agencies of other states regarding the interstate transportation of poor and indigent persons, and to arrange with the proper officials in this state for the acceptance, transfer, and support of persons receiving public aid in other states in accordance with the terms of such reciprocal agreements; provided, that this state shall not nor shall any county or other political subdivision of this state be committed to the support of persons who are not in the opinion of the department entitled to public support by the laws of this state.