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What is the “240-day extension”?

The 240-day extension allows H-1B professionals to work legally while awaiting a decision on their petition, provided USCIS deadlines and rules are respected.

Written by

Victoria Harper

Editor-in-Chief

Updated on March 26, 2026
2 min read
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In the context of H-1B visas, it”s common to have questions about what the term “240-day extension” means. This expression refers to a regulatory provision that allows an H-1B professional to continue working in the United States while awaiting the decision on their extension or change of status petition, provided that the petition has been filed timely before the expiration of the current status.

In practice, if the employer files the extension or change of employer petition on time, the worker can remain legally employed for up to 240 days, even if the original status has already expired. This period serves precisely to avoid interruptions in employment during the administrative process with the United States Citizenship and Immigration Services (USCIS). However, it”s important to highlight that if the petition is denied or if there are complications in the process, the continuation of the work authorization during this period might be challenged, and other factors may affect the professional”s immigration status.

It is essential to strictly follow immigration laws and pay close attention to the deadlines and requirements set by USCIS. When doubts arise or the path seems complex, it is wise to seek advice through immigration specialists, avoiding falling for miracle promises or marketing campaigns that guarantee results. Remember that each case is unique and the legal security in the process depends on the correct fulfillment of rules and deadlines.

Staying well informed and making decisions based on current legislation is crucial to ensure that the H-1B visa extension process runs properly and avoids future complications.

Learn more about H-1B Visa

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

Editor-in-Chief

Meet the author

Leading journalism and editorial content at Visto n’ Visa, Victoria helps make immigration topics clear, trustworthy, and easy to understand. Her focus is on delivering useful, human, and relevant content for people exploring new paths abroad.

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What is the “240-day extension”?

The 240-day extension allows H-1B professionals to work legally while awaiting a decision on their petition, provided USCIS deadlines and rules are respected.

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