Handle means to engage in the receiving or acquiring, cleaning and shelling, cleaning in-shell, or crushing of peanuts and in the shipment (except as a common or contract carrier of peanuts owned by another) or sale of cleaned in-shell or shelled peanuts, or other activity causing peanuts to enter the current of commerce: Provided, that this term does not include sales or deliveries of peanuts by a producer to a handler or to an intermediary person engaged in delivering peanuts to handler(s) and: Provided further, that this term does not include sales or deliveries of peanuts by such intermediary person(s) to a handler.