First handler means any person (excluding a common or contract carrier) receiving raspberries for processing from producers in a calendar year and who as owner or agent, ships or causes processed raspberries or raspberries for processing to be shipped as specified in the Order. This definition includes those engaged in the business of buying, selling and/or offering for sale, receiving, packing, grading, marketing, or distributing processed raspberries or raspberries for processing in commercial quantities. This definition excludes a retailer, except a retailer who purchases or acquires from, or handles on behalf of, any producer of raspberries for processing. The term first handler includes a producer who handles or markets processed raspberries of the producer's own production.