N.C. Gen. Stat. § 130A-453.25: Renewals of certification.

(a) Certification as a renovation firm under this Article expires on the last day of the 12th month after the certification is issued and shall be renewed annually. A firm may renew its certification by paying the renewal fees and meeting the standards for renewal established by the Commission.

(b) Certification as a dust sampling technician expires on the last day of the month of the year after certification training is completed and shall be renewed annually. A certified dust sampling technician may renew his or her certification by paying the renewal fees and meeting the standards for renewal established by the Commission.

(c) A certified renovator shall renew his or her certification every five years by meeting the standards for renewal established by the Commission. (2009-488, s. 1.)