\nTo be validly registered pursuant to G.S. 47-20, a deed of trust or mortgage of a leasehold interest or other chattel real must be registered in the county where the land involved lies, or if the land involved is located in more than one county, then the deed of trust or mortgage must be registered in each county where any portion of the land involved lies in order to be effective as to the land in that county. (1959, c. 1026, s. 1.)
North Carolina Legal Code