| SECTION | Title | Time |
|---|---|---|
| § 251.1 | § 251.1 Definitions. | Sept. 3, 2026 |
| § 251.2 | § 251.2 Applicability. | Sept. 3, 2026 |
| § 251.3 | § 251.3 Small musical instruments as carry-on baggage. | Sept. 3, 2026 |
| § 251.4 | § 251.4 Large musical instruments as carry-on baggage. | Sept. 3, 2026 |
| § 251.5 | § 251.5 Large musical instruments as checked baggage. | Sept. 3, 2026 |