US lawFederal (United States)RegulationsTitle 17 CFR — Commodity and Securities ExchangesChapter I — COMMODITY FUTURES TRADING COMMISSIONPart 10 — RULES OF PRACTICESubpart B — Institution of Adjudica- tory Proceedings; Pleadings; Motions10.2117 C.F.R. § 10.21Commencement of the proceeding.Last amended: 2016Year: 2026Length: 31 wordsOfficial source Cite as 17 C.F.R. § 10.21 (2026)An adjudicatory proceeding is commenced when a complaint and notice of hearing is filed with the Office of Proceedings. [63 FR 55791, Oct. 19, 1998; 63 FR 68829, Dec. 14, 1998]Next17 C.F.R. § 10.22