Upon motion by the complainant prior to the expiration of the applicable statute of limitations, a resident judge of the superior court for a judicial district in which venue for the cause of action is appropriate under G.S. 1-82 or, if no resident judge for that judicial district is physically present in that judicial district, otherwise available, or able or willing to consider the motion, then any presiding judge of the superior court for that judicial district may allow a motion to extend the statute of limitations for a period not to exceed 120 days to file a complaint in a medical malpractice action in order to comply with this Rule, upon a determination that good cause exists for the granting of the motion and that the ends of justice would be served by an extension. The plaintiff shall provide, at the request of the defendant, proof of compliance with this subsection through up to ten written interrogatories, the answers to which shall be verified by the expert required under this subsection. These interrogatories do not count against the interrogatory limit under Rule 33.
N.C. Gen. Stat. § 9