17 C.F.R. § 40.11
(a) Prohibition. A registered entity shall not list for trading or accept for clearing on or through the registered entity any of the following:
(c) 90-day review and approval of certain event contracts. The Commission may determine, based upon a review of the terms or conditions of a submission under § 40.2 or § 40.3, that an agreement, contract, transaction, or swap based on an excluded commodity, as defined in Section 1a(19)(iv) of the Act, which may involve, relate to, or reference an activity enumerated in § 40.11(a)(1) or § 40.11(a)(2), be subject to a 90-day review. The 90-day review shall commence from the date the Commission notifies the registered entity of a potential violation of § 40.11(a).