In the case of a disputed bill, the residential consumer shall have the right, after all remedial measures with the utility or marketer have failed, to request in writing, or orally to be followed by a request in writing, the Georgia Public Service Commission to investigate the dispute either before or after service has been terminated. Any late charges assessed in the case of a disputed bill shall be refunded if it is determined that the consumer does not owe the bill.
Ga. Comp. R. & Regs. R. 515-3-3-.06(A)
O.C.G.A. Secs. 46-4-150, 46-4-158.1, 46-4-158.2, 46-4-160.