N.C. Gen. Stat. § 47-84
The order for registration by the clerk of the superior court and the registration thereof of all deeds of conveyance and other instruments in any county of this State prior to January 1, 1905, upon the certificate of any vice-consul or vice-consul general of the United States residing in a foreign country, certifying in due form under his name and the official seal of the United States consul or United States consul general of the same place and country where such vice-consul or vice-consul general resided and acted, that he has taken the proof or acknowledgments of the parties to such instruments, together with the privy examinations of married women parties thereto, are hereby, together with such proof and acknowledgments, privy examinations and certificates, validated.
N.C. Gen. Stat. § 47-84