7 U.S. Code § 4812 - Suspension and termination of orders
(a) Authority of Secretary
If after the initial referendum provided for in section 4811 (a) of this title the Secretary determines that an order, or a provision of the order, obstructs or does not tend to effectuate the declared policy of this chapter, the Secretary shall terminate or suspend the operation of such order or provision.
(b) Referendum to terminate or suspend; eligible voters; requirements for approval; termination or suspension date; one referendum within 2-year period
(A) Except as provided in paragraph (2), after the initial referendum provided for in section 4811 (a) of this title, on the request of a number of persons equal to at least 15 percent of persons who have been producers and importers during a representative period, as determined by the Secretary, the Secretary shall conduct a referendum to determine whether the producers and importers favor the termination or suspension of the order.
(B) The Secretary shall—
(i) suspend or terminate collection of assessments under the order not later than 6 months after the date the Secretary determines that suspension or termination of the order is favored by a majority of the producers and importers voting in the referendum; and
(2) Except with respect to a referendum required to be conducted under section 4811 of this title, the Secretary shall not be required by paragraph (1) to conduct more than one referendum under this chapter in a 2-year period.