Authorized agents of the gas system shall have the right of access to premises supplied with gas service at reasonable hours, for the purpose of reading meters, examining facilities and pipes, maintenance, repair, observing the manner of using service and for any other purpose which is proper and necessary in the conduct of the gas system's business.
Such agents shall, upon request of a customer, produce proper identification and inform the customer of the purpose of necessary access to occupied premises.
S.C. Code Regs. § 103-444