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What is Form I-539?

Form I-539 is the USCIS form used to request an extension of stay or a change of nonimmigrant status without leaving the U.S. Learn when it applies to your situation.

Written by

Victoria Harper

Editor-in-Chief

Updated on July 13, 2026
1 min read
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Form I-539 is the USCIS form (the United States immigration agency) used to request an extension of stay or a change of nonimmigrant status while the person is lawfully present in the country, without having to leave U.S. territory.

It is commonly used by individuals in the U.S. on a temporary status (such as a tourist or student) who wish to extend their stay or transition to another status compatible with their situation. In general, it is the formal mechanism for filing that request with immigration authorities.

  • Used to extend a stay within the same status.
  • Used to change from one nonimmigrant status to another.
  • Requires supporting documentation and justification, within the applicable deadlines.

Because each case has its own particularities and requirements may change, it is advisable to review the updated instructions for the form at the official source (USCIS) or consult a specialist before filing.

Learn more about H-1B

Initial validity
3 years
Extension
Up to 6 years total
Annual cap
85,000 visas
Processing
6-12 months
All about H-1B

About the author

Victoria Harper

Editor-in-Chief

Meet the author

As a journalist and lead editor at Visto n’ Visa, Victoria helps ensure that immigration topics are covered in a clear, trustworthy, and easy-to-understand way. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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What is Form I-539?

Form I-539 is the USCIS form used to request an extension of stay or a change of nonimmigrant status without leaving the U.S. Learn when it applies to your situation.

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