14 CFR § 252.17 - Enforcement.
§ 252.17 Enforcement.
Air carriers and foreign air carriers shall take such action as is necessary to ensure that smoking by passengers or crew is not permitted where smoking is prohibited by this part, including but not limited to aircraft lavatories.
[Docket DOT-OST-2011-0044, 81 FR 11428, Mar. 4, 2016]