Existing licensed automobile junkyards

The provisions of §§ 5-21-4(1), (2), (3)(ii), and (3)(iii) and 5-21-5(a)(1), (a)(2), (a)(3)(ii), and (a)(3)(iii) do not apply to any automobile junkyard in existence and having a valid license issued pursuant to § 5-21-1 on May 6, 1966.