7 C.F.R. § 800.4
Notice of proposals to prescribe, amend, or revoke regulations, official standards, and official criteria under the Act shall be published in accordance with applicable provisions of the Administrative Procedure Act (5 U.S.C. 551 , et seq.). Proposals to establish, amend, or revoke grain standards will be made effective not less than 1 calendar year after promulgation unless, for good cause, the Service determines that the public health, interest, or safety require that they become effective sooner. Any interested person desiring to file a petition for the issuance, amendment, or revocation of regulations, Official U.S. Standards for Grain, or official criteria may do so in accordance with § 1.28 of the regulations of the Office of the Secretary of Agriculture (7 CFR 1.28 ).
7 C.F.R. §800.4