| OI 252.1 | Conditional permits to land |
| OI 252.2 | Revocation of conditional landing permits; deportation |
| OI 252.3 | Special provisions relating to crewmen on vessels which will remain in United States more than 29 days |
| OI 252.4 | Permanent landing permit and identification card |
| OI 252.5 | Special procedures for deserters from Spanish and Greek ships for war |
| OI 252.6 | Special provisions relating to nonresident aliens employed in United States based fishing vessels |
| App.to 252.5 | Notification of Charges |