N.C. Gen. Stat. § 97-47.1: Payment without prejudice; limitations period.

When the employer has paid compensation without prejudice but timely contested liability as provided in G.S. 97-18(d), the right, if any, to further indemnity compensation and medical compensation shall terminate two years after the employer's last payment of medical or indemnity compensation, whichever last occurs, unless the employee files with the Commission a claim for further compensation prior to the expiration of this period. (1993 (Reg. Sess., 1994), c. 679, s. 3.5.)