Except as otherwise provided in this Part, the terms and provisions of this Part shall apply to all milk produced on farms in the State of New York and which is sold or delivered to a milk dealer or cooperative. For purposes of this Part, a joint or common marketing agency operated by one or more cooperative corporations or associations of producers shall be considered a cooperative if qualified under the provisions of section 258-b of the Agriculture and Markets Law.
N.Y. Comp. Codes R. & Regs. Tit. 1 § 43.1