N.C. Gen. Stat. § 47-55
All deeds, conveyances, or other instruments permitted by law to be registered in this State, which have been probated or ordered to be registered previous to January 1, 1913, before any officer of this or any other state or country, authorized by law to take acknowledgments or to order registration, where the certificate of the probate or order of registration is sufficient in form, but appears to have been certified by the officer in some capacity other than that in which such officer was authorized to act, or appears to have been made out of the county or district authorized by law, but within the State, and where the instrument with such certificate has been recorded in the proper county, are hereby declared to have been duly proved, probated and recorded, and to be valid.
N.C. Gen. Stat. § 47-55