(A) A written application or contract, properly executed, may be required from the customer before the utility will supply service, however, the utility may require a long term contract when unusual construction or equipment expense is necessary to furnish the service.
(B) No promises, agreements, or representations of any agent of the utility shall be binding on the utility unless they have been incorporated in a written contract before the contract is signed and approved.
(C) The benefits and obligations of any contract shall inure and be binding on the successors and assigns, for the full term thereof. No assignment thereof shall be made by the customer without first obtaining the utility's written consent.
('75 Code, § 6.17)