What is a visa?

Refreshed annually
The C-4 visa is a nonimmigrant visa issued for tourism and business. Nonimmigrant visas are admitted for people who intend to stay in the US temporarily. C-4 visas accounted for 0% of all issued visas in FY 2024.
In FY 2024,

1

visas issued by the US were C-4 visas

The C-4 visa is designated for noncitizens who are traveling to the United States to join vessels engaged in lightering, or the ship-to-ship transfer of liquid cargo. It is sometimes issued in combination with the D-3 visa (C-4/D-3), which actually permits visa holders to work in lightering.

C-4 visa holders can stay in the US for a period of 180 days or less.

The State Department does not maintain a cap on C-4 visas.

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