N.C. Gen. Stat. § 47-52

The clerk of the superior court may order registered any deed, or other conveyance of land, in all cases where the instrument and probate bears date prior to January 1, 1907, where the acknowledgment, private examination, or other proof of execution, has been taken or had before a notary public residing in the county where the land is situate, where said officer failed to affix his official seal, and where the certificate of said officer appears otherwise to be genuine.