(a) Any one (1) or more public agencies may contract with any one (1) or more other public agencies to perform any governmental service, activity, or undertaking which each of the public agencies entering into the contract is authorized by law to perform alone, provided that the contract shall be authorized by the governing body of each party to the contract. The contract shall set forth fully the purpose, powers, rights, objectives, and responsibilities of the contracting parties.
(b) However, nothing in this chapter authorizes or shall be construed to authorize any public agency to enter into any contract, agreement, or undertaking with any other public agency to purchase, condemn, or otherwise acquire any plant, property, facilities, or business owned or operated by any regulated public utility or pipeline company or to jointly construct or operate any such plant, property, or facility.