N.C. Gen. Stat. § 168-4.3
The Department of Health and Human Services, shall adopt rules for the registration of service animals and shall issue registrations to a person with a disability who makes application for registration of an animal that serves as a service animal or to a person who is training an animal as a service animal.
The rules adopted regarding registration shall require that the animal be trained or be in training as a service animal. The rules shall provide that the certification and registration need not be renewed while the animal is serving or training with the person applying for the registration. No fee may be charged the person for the application, registration, tag, or replacement in the event the original is lost. The Department of Health and Human Services may, by rule, issue a certification or accept the certification issued by the appropriate training facilities.
N.C. Gen. Stat. § 168-4.3