SECTION	Title	Time
§ 252.1	§ 252.1 Purpose.	May 27, 2026
§ 252.2	§ 252.2 Applicability.	May 27, 2026
§ 252.3	§ 252.3 Definitions.	May 27, 2026
§ 252.4	§ 252.4 Smoking ban: air carriers.	May 27, 2026
§ 252.5	§ 252.5 Smoking ban: foreign air carriers.	May 27, 2026
§ 252.8	§ 252.8 Extent of smoking restrictions.	May 27, 2026
§ 252.9	§ 252.9 Ventilation systems.	May 27, 2026
§ 252.11	§ 252.11 Aircraft on the ground.	May 27, 2026
§ 252.17	§ 252.17 Enforcement.	May 27, 2026