Each closed package of apples packed or repacked within the state and intended for sale within or without the state shall be marked or branded at the time of packing, repacking, or closing with a statement of the quantity of the contents, the name and address of the person by whose authority the apples were packed, the true name of the variety, and the minimum size or numerical count of the apples contained in it, in accordance with § 21-18-6. If the true name of the variety is not known to the packer or other person by whose authority the apples are packed, the statement shall include the words “Variety Unknown.” If apples are repacked, the packages shall be marked “Repacked,” and shall bear the name and address of the person by whose authority it is repacked in place of that of the person by whose authority it was originally packed.