In this section the following words have the meanings indicated. “Contracting party” means the other party to a contract made by a district under this section. “Contracting party” includes: A person; A county of this State or any other state; A municipal corporation of this State or any other state; This State or any other state; The United States; Any instrumentality of this State, any other state, or the United States; and Another district of this State or any other state. “Contracting party’s system” means any of the following systems owned or operated by a contracting party: A sewerage system. A solid waste acceptance facility. A solid waste disposal system. A water system. If its sanitary commission approves, a district may make a contract with a contracting party: To buy services from the contracting party’s system; To use the facilities of the contracting party’s system; or To allow a contracting party or its customers to use the services or facilities of the district. Any contract made under this section: Shall require that the fees, rates, or charges collected under the contract be sufficient to pay the obligations of the contracting party; and May allow a contracting party to collect from its customers the fees, rates, or charges due under the contract. A contract made under this section is for the benefit of holders of the district’s bonds.