Okla. Stat. tit. 2, § 2-7-23: Conditions of purchase of raw milk

A milk processor may not purchase raw milk from a dairy farmer

unless:

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 the agent of the dairy farmer 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.