---identifier: "/us/cfr/t17/s200.551"source: "ecfr"legal_status: "authoritative_unofficial"title: "17 CFR § 200.551 - Applicability."title_number: 17title_name: "Commodity and Securities Exchanges"section_number: "200.551"section_name: "Applicability."chapter_name: "SECURITIES AND EXCHANGE COMMISSION"part_number: "200"part_name: "ORGANIZATION; CONDUCT AND ETHICS; AND\ INFORMATION AND REQUESTS"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "5 U.S.C. 552, 552a, 552b, and 557; 11 U.S.C. 901 and 1109(a); 15 U.S.C. 77c, 77e, 77f, 77g, 77h, 77j, 77 77q, 77s, 77u, 77z-3, 77ggg(a), 77hhh, 77sss, 77uuu, 78b, 78c(b), 78d, 78d-1, 78d-2, 78e, 78f, 78g, 78h, 78i, 78k, 78k-1, 78 78m, 78n, 78 78-4, 78q, 78q-1, 78t-1, 78u, 78w, 78(d), 78mm, 78eee, 80a-8, 80a-20, 80a-24, 80a-29, 80a-37, 80a-41, 80a-44(a), 80a-44(b), 80b-3, 80b-4, 80b-5, 80b-9, 80b-10(a), 80b-11, 7202, and 7211 29 U.S.C. 794; 44 U.S.C. 3506 and 3507; Reorganization Plan No. 10 of 1950 (15 U.S.C. 78d); sec. 8G, Pub. L. 95-452, 92 Stat. 1101 (5 U.S.C. App.); sec. 913, Pub. L. 111-203, 124 Stat. 1376, 1827; sec. 3(a), Pub. L. 114-185, 130 Stat. 538; E.O. 11222, 30 FR 6469, 3 CFR, 1964-1965 Comp., p. 36; E.O. 12356, 47 FR 14874, 3 CFR, 1982 Comp., p. 166; E.O. 12600, 52 FR 23781, 3 CFR, 1987 Comp., p. 235; Information Security Oversight Office Directive No. 1, 47 FR 27836; and 5 CFR 735.104 and 5 CFR parts 2634 and 2635, unless otherwise noted."regulatory_source: "25 FR 6719, July 15, 1960, unless otherwise noted."cfr_part: "200"---
Identifier
/us/cfr/t17/s200.551
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Securities and Exchange Commission
Authority
5 U.S.C. 552, 552a, 552b, and 557; 11 U.S.C. 901 and 1109(a); 15 U.S.C. 77c, 77e, 77f, 77g, 77h, 77j, 77 77q, 77s, 77u, 77z-3, 77ggg(a), 77hhh, 77sss, 77uuu, 78b, 78c(b), 78d, 78d-1, 78d-2, 78e, 78f, ... 5 U.S.C. 552, 552a, 552b, and 557; 11 U.S.C. 901 and 1109(a); 15 U.S.C. 77c, 77e, 77f, 77g, 77h, 77j, 77 77q, 77s, 77u, 77z-3, 77ggg(a), 77hhh, 77sss, 77uuu, 78b, 78c(b), 78d, 78d-1, 78d-2, 78e, 78f, 78g, 78h, 78i, 78k, 78k-1, 78 78m, 78n, 78 78-4, 78q, 78q-1, 78t-1, 78u, 78w, 78(d), 78mm, 78eee, 80a-8, 80a-20, 80a-24, 80a-29, 80a-37, 80a-41, 80a-44(a), 80a-44(b), 80b-3, 80b-4, 80b-5, 80b-9, 80b-10(a), 80b-11, 7202, and 7211 29 U.S.C. 794; 44 U.S.C. 3506 and 3507; Reorganization Plan No. 10 of 1950 (15 U.S.C. 78d); sec. 8G, Pub. L. 95-452, 92 Stat. 1101 (5 U.S.C. App.); sec. 913, Pub. L. 111-203, 124 Stat. 1376, 1827; sec. 3(a), Pub. L. 114-185, 130 Stat. 538; E.O. 11222, 30 FR 6469, 3 CFR, 1964-1965 Comp., p. 36; E.O. 12356, 47 FR 14874, 3 CFR, 1982 Comp., p. 166; E.O. 12600, 52 FR 23781, 3 CFR, 1987 Comp., p. 235; Information Security Oversight Office Directive No. 1, 47 FR 27836; and 5 CFR 735.104 and 5 CFR parts 2634 and 2635, unless otherwise noted.
# 200.551 Applicability.In the event of extraordinary circumstances in which a Commission action may involve major Federal action significantly affecting the quality of the human environment, the Commission shall follow the procedures set forth in §§ 200.552 through 200.554 of this part, unless doing so would be inconsistent with its statutory authority under the Federal securities laws.[76 FR 71874, Nov. 21, 2011]