(a)  Mandatory suspension or termination

The Secretary shall suspend or terminate an order or a provision of an order if the Secretary finds that an order or a provision of an order obstructs or does not tend to effectuate the purpose of this subchapter, or if the Secretary determines that the order or a provision of an order is not favored by persons voting in a referendum conducted under section 7417 of this title.

(b)  Implementation of suspension or termination

If, as a result of a referendum conducted under section 7417 of this title, the Secretary determines that an order is not approved, the Secretary shall⁠—

(1)  not later than 180 days after making the determination, suspend or terminate, as the case may be, collection of assessments under the order; and

(2)  as soon as practicable, suspend or terminate, as the case may be, activities under the order in an orderly manner.