21 CFR § 1314.150 - Order To show cause.
(a) If, upon information gathered by the Administration regarding any regulated seller or a distributor required to submit reports under § 1310.03(c) of this chapter, the Administrator determines that a regulated seller or distributor required to submit reports under § 1310.03(c) of this chapter has sold a scheduled listed chemical product in violation of Section 402 of the Act (21 U.S.C. 842(a)(12) or (13)), the Administrator will serve upon the regulated seller or distributor an order to show cause why the regulated seller or distributor should not be prohibited from selling scheduled listed chemical products.
(b) The order to show cause shall call upon the regulated seller or distributor to appear before the Administrator at a time and place stated in the order, which shall not be less than 30 days after the date of receipt of the order. The order to show cause shall also contain a statement of the legal basis for such hearing and for the prohibition and a summary of the matters of fact and law asserted.
(c) Upon receipt of an order to show cause, the regulated seller or distributor must, if he desires a hearing, file a request for a hearing as specified in subpart D of part 1316 of this chapter. If a hearing is requested, the Administrator shall hold a hearing at the time and place stated in the order, as provided in part 1316 of this chapter.
(d) When authorized by the Administrator, any agent of the Administration may serve the order to show cause.