N.C. Gen. Stat. § 47-85.1
All probates, acknowledgments and privy examinations of deeds, mortgages and conveyances of land, which prior to January 1, 1948 have been taken before masters in equity or masters in chancery in any other state, are hereby declared to be valid, and all registrations of such deeds, mortgages or conveyances upon such probates, acknowledgments and private examinations, or any of them are hereby declared to be sufficient and valid. All such deeds and conveyances and registration thereof, and all certified copies of such registrations shall be received in evidence or otherwise used in the same manner and with the same force and effect as other deeds, mortgages and conveyances with probates, acknowledgments, or private examinations made in accordance with the provisions of statutes and laws of this State in force at the time, and as registrations thereof and certified copies of such registrations.
N.C. Gen. Stat. § 47-85.1