(a) Increments of weight.--All potatoes packed for sale, offered or exposed for sale in this Commonwealth shall be packaged in containers of net weights of any increment.
(b) Exceptions.--The provisions of this section shall not apply to:
(1) potatoes offered to the consumer at retail from bulk stock;
(2) the sale of potatoes to processors or for export;
(3) the sale of peeled, cut or sliced potatoes, or frozen or dehydrated potatoes, or precooked dehydrated or dried potatoes;
(4) the sale of seed potatoes; or
(5) the sale of sweet potatoes or yams.