CFR›Title 49›Subtitle B›Chapter II›49 CFR Part 272 Citation49 CFR Part 272ContainsSubparts Subpart A–Subpart BCorpusDaily eCFRDisplayed edition2026-09-23Last updated2026-09-23 PART 272—CRITICAL INCIDENT STRESS PLANS Subparts Subpart A Subpart A—General Subpart B Subpart B—Plan Components and Approval Process Authority49 U.S.C. 20103, 20107, 20109 note; 28 U.S.C. 2461 note; and 49 CFR 1.89.Source79 FR 16233, Mar. 25, 2014, unless otherwise noted.