(1) Class I milk: Class I milk shall be all skim milk and butterfat disposed of in the form of fluid milk product as defined by the standards of the federal government heretofore adopted in the order regulating handling of milk in the Puget Sound, Washington, marketing area, (Order 125, as amended).

(2) Fluid milk product: Fluid milk product is fluid milk product as defined by the standards of the federal government heretofore adopted in the said order regulating handling of milk in Puget Sound, Washington, marketing area. (Order 125 as amended.)

(3) Market order: Market order is an order regulating the handling of milk in a marketing area promulgated pursuant to Public Act No. 10, 73rd Congress, as amended and as reenacted and amended by the Agricultural Marketing Agreement Act of 1937 as amended (48 Stat 31, as amended, 7 U.S.C. 601, et seq.).

(4) Class I price: Class I price is that price per hundredweight defined as the class I price per hundredweight by the standards of the federal government heretofore adopted by the order regulating the handling of milk in the Puget Sound, Washington, marketing area. (Order 125 as amended.)

(5) 3.5% Butterfat milk: 3.5% butterfat milk is 3.5 percent milk as defined by the standards of the federal government heretofore adopted by the said order regulating the handling of milk in the Puget Sound, Washington marketing area. (Order 125 as amended.)