N.C. Gen. Stat. § 62-73.1

(1) A local exchange company or competing local provider that is unable to resolve a customer complaint shall (i) provide notice to the consumer of the consumer's right to contact the Public Staff of the Commission and (ii) provide to the consumer, in writing, contact information for the Public Staff, including both a toll-free telephone number and an electronic mail address.

(2) The Public Staff shall keep a record of all complaints received pertaining to the provider, including the nature of each complaint and the resolution thereof. If the Public Staff determines that it cannot reasonably resolve the matter, the matter shall be referred to the Commission. The standard for review by both the Public Staff and the Commission shall be whether the action or inaction of the provider is reasonable and appropriate.