Section 2. The licensing provisions of this act shall not apply to--
(a) The sale of farm produce for cash, cash to mean settlement in full, in United States currency, certified check or United States postal money order, on or before delivery;
(b) Producers marketing farm produce of their own raising;
(c) Processors of farm produce when such shipments or purchases are covered by a written contract, duly signed by the producer;
(d) Transactions subject to the provisions of the Federal "Perishable Agricultural Commodities Act of 1930."
(2 amended Sept. 28, 1978, P.L.829, No.163)