California Code, Food and Agricultural Code (Formerly Agricultural Code) - FAC § 62711

(a) Except as provided in subdivision (h) of Section 62707, each producer shall be paid the highest usage for that amount of his or her fluid milk production that is equal to his or her pool quota and shall be paid the next highest usage for the difference between his or her pool quota and his or her production base under the production pool designated pursuant to this chapter and the lowest usage for all milk produced in excess of his or her production base under the overproduction pool designated pursuant to this chapter.

(b) In calculating the pool value, the volume of milk that has been classified as restricted use market milk shall be credited to the handler at the class 4a or class 4b price, whichever is lower.