17 CFR § 200.551
Applicability
April 15, 2021
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]