N.C. Gen. Stat. § 47-35: Register to fill in deeds on blank forms with lines.

Registers of deeds shall, in registering deeds and other instruments, where printed skeletons or forms are used by the register, fill all spaces left blank in such skeletons or forms by drawing or stamping a line or lines in ink through such blank spaces. (1911, c. 6, s. 1; C.S., s. 3320.)