45 ILCS 25/3

The compact administrator and the library board of any county, city, village or incorporated town, township, library district or library system are authorized and empowered to enter into agreements with other states or their political subdivisions pursuant to the compact. Such agreements as may be made pursuant to this compact on behalf of the state of Illinois shall be made by the compact administrator. Such agreements as may be made on behalf of a political subdivision shall be made after due notice to the compact administrator and consultation with him.