In 1957 the Legislature rewrote General Statutes 163-28 as we have noted. Prior to that 1957 amendment 163-28 perpetuated the grandfather clause contained in 4 of Art. VI of the Constitution and 163- 32 established a procedure for registration to effectuate it. The federal three-judge court ruled that this 1957 amendment eliminated the grandfather clause from the statute. The Attorney General of North Carolina, in an amicus brief, agrees that the grandfather clause contained in Art.
VI is in conflict with the Fifteenth Amendment.
Appellee maintains that the North Carolina Supreme Court ruled that the invalidity of that part of Art. VI does not impair the remainder of Art. VI since the 1945 amendment to Art. VI freed it of its indivisibility clause. Under the view Art.