No function, facility, duty or power of any town, village, school district or other district is transferred, altered or impaired by this Charter.
The County of Putnam shall have the power to contract with any public corporation, including but not limited to municipal, district or public benefit corporations, or with any combination of the same, for the establishment, maintenance or operation of any facility or the rendering of any service which each of the contracting parties would have legal authority to establish, maintain, operate or render for itself. Each of such contracting parties shall bear a proportionate share of costs agreed upon.