# Filing the Form I-539

**Source**: https://bechtel.stanford.edu/departments/employment-visas/h-1b-employment-visa-departments/h-1b-petition-process/dependents-us-0
**Parent**: https://bechtel.stanford.edu/

## Application to Extend/Change Nonimmigrant Status

Detailed instructions can be found [here](https://docs.google.com/document/d/18r1xKIDiTxKbpnc72LJt6HoXT6z8Sjc1/edit)

## More Information

Dependents of H-1B and O-1 employees who have entered the U.S. in H-4 or O-3 status or who have changed to that status from another non-immigrant status may remain in the US until the end date noted on their last I-94 record. If the H-1B or O-1 employee extends his or her H status, the dependents must also extend their status by concurrently submitting a request for an extension. Dependent H-4  and O-3 students are permitted to study in the U.S. but they may not work. H-4 and O-3 status expires for children at the time they reach 21 years old.

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