

Other cases include: foreigners who do not possess one of the valid entry documents for Vietnam, are not eligible for Vietnam’s visa exemption, and do not fall under the category eligible for a Vietnam e-visa, will need to apply for an entry approval letter to obtain a Vietnam visa.
| STT | Loại tài liệu/ document | Copies | Remark |
| 01 | Form NA2 | 01 | Original |
| 02 | Form NA16 | 01 | Original |
| 03 | Business registration | 01 | Notarized copy with the duration is not over 03 months |
| 04 | Seal Certification | 01 | Notarized copy with the duration is not over 03 months |
| 05 | Letter introduce | 01 | Sign and stamps |