(a) In general
To effectuate the declared policy of section 6301(b) of this title, the Secretary, subject to the procedures provided in subsection (b), shall issue orders under this chapter applicable to producers and first purchasers of soybeans. Any such order shall be national in scope, and not more than one order shall be in effect under this chapter at any one time.

(b) Procedure

(1) Proposal or request for issuance
The Secretary may propose the issuance of an order under this chapter, or an association of soybean producers or any other person that would be affected by an order issued pursuant to this chapter may request the issuance of, and submit a proposal for, such an order.

(2) Notice and comment concerning proposed order
Not later than 30 days after the receipt of a request and proposal for an order pursuant to paragraph (1), or whenever the Secretary determines to propose an order, the Secretary shall publish a proposed order and give due notice and opportunity for public comment on the proposed order.

(3) Issuance of order
After notice and opportunity for public comment are given as provided in paragraph (2), the Secretary shall issue an order, taking into consideration the comments received and including in the order provisions necessary to ensure that the order is in conformity with the requirements under this chapter. Such order shall be issued and become effective not later than 180 days following publication of the proposed order.

(c) Amendments
The Secretary, from time to time, may amend any order issued under this section. The provisions of this chapter applicable to orders shall be applicable to amendments to orders.