Texas Agriculture Code - AGRIC § 181.003. Time and Method of Payment for Purchase

(1) payment of the purchase price is made according to the provisions prescribed by an applicable federal milk marketing order;

(2) any additional provisions are agreed on by both the dairy farmer or his agent and the milk processor; and

(3) the medium of exchange used is cash, a check for the full amount of the purchase price, or a wire transfer of money in the full amount.