N.C. Gen. Stat. § 47-108

All acts of notaries public for the State of North Carolina who were not yet 21 years of age at the time of the performance of such acts are hereby validated; and in every case where deeds or other instruments have been acknowledged before such notary public who was not yet 21 years of age at the time of taking of said acknowledgment, such acknowledgment taken before such notary public is hereby declared to be sufficient and valid.