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B1 B2 Visa Extension, Reasons, Sample Letter & Processing Time

Updated: Jan 28

B1/B2 Visitor Visa Extension Reasons: The B1/B2 visitor visa typically allows you to stay in the US for up to six months, or sometimes less. However, there may be situations when you need to extend your B1/B2 visitor visa to stay beyond 6 or even 12 months.

Table of Contents: B2 Visitor Visa Extension Reasons

In this post, I will explain the process of extending your B1/B2 visitor visa, including the number of times you can extend it, common reasons for extension, the possibility of extending a visitor visa beyond 6 months, the average processing time for extensions, and key considerations for a successful extension.

Renew B1/B2 Visa

If you are seeking a B1/B2 visa extension after 10 years or you want to renew your B1/B2 visa, the process is almost similar to applying for a new B2 visa, which you can refer to below.

B2 Visa Extension

The first question that might arise in your mind is how many times a B2 visa can be extended after 6 months of authorized stay, or if it's even possible to do so. The answer is there is no specific limit on the number of times you can extend your B1/B2 visa.

However, it is essential to note that each extension request is evaluated individually, and you must provide a valid reason for needing an extension.

Irrespective of the fact of how many times you request an extension, personally, I have not seen any B2 visa going beyond the stay of 12 months. That being said it's not impossible to extend beyond 12 months but you would need a solid reason for that.

Visitor Visa Extension Reasons

Typical reasons for extending a B1/B2 visitor visa include medical treatment, attending family events or functions, continuing tourism, coping with natural disasters like COVID-19, etc.

  • Medical treatment: If you require ongoing medical treatment that cannot be completed within the initially approved stay then you can request for B2 visa extension. You would need a letter from the doctor as a supporting document for form I-539 to make your case stronger. Don't worry about form I-539, it is used for requesting a B2 visa extension which I will explain shortly.

  • Family events: If there are important family events or celebrations, such as weddings or graduations, that require your presence, you can also request a B2 visa extension. Sharing the date and venue of the event will strengthen your case, and having an invitation card as proof is even better.

  • Tourism: If you were unable to explore all the intended attractions due to unforeseen circumstances, you can request a B2 visa extension. In the case of requesting an extension for your parents' B2 visa, you can mention their limited physical mobility, which resulted in a longer stay than initially anticipated. Supporting documents, such as your travel itinerary, bookings, and return air tickets, would help your request.

  • Unexpected events: If you experience unexpected delays or disruptions in your travel plans, such as a natural disaster or flight cancellations, you can request a B2 visa extension. This applied to situations like COVID.

B2 Visa Extension Sample Letter (Medical)

[Your Name]

[Your Address]

[City, State, ZIP]

[Email Address]

[Phone Number]


[USCIS Service Center Address]

[City, State, ZIP]

Subject: Request for B2 Visa Extension for Medical Treatment

Dear Sir/Madam,

I am writing to request an extension of my B2 visitor visa to receive ongoing medical treatment in the United States. I am currently in the United States on a valid B2 visa, which is set to expire on [visa expiration date].

I have been undergoing medical treatment for a serious health condition at [name of medical facility] under the care of [name of attending physician]. The treatment plan, as recommended by my healthcare provider, requires an extended duration beyond my original authorized stay.

I kindly request your favorable consideration of my application for a B2 visa extension. I am attaching the following supporting documents:

  • Detailed medical reports and documentation outlining the nature of my medical condition and the necessity for continued treatment.

  • A letter from my attending physician, [physician's name], explaining the need for ongoing medical care and the anticipated duration of treatment.

  • Financial records to demonstrate my ability to cover the cost of the extended stay, including medical expenses, accommodation, and other necessary expenses.

  • Copy of my valid passport, Form I-94 (Arrival/Departure Record), and current B2 visa.

  • Any additional supporting documents as deemed necessary.

I assure you that I will strictly adhere to the laws and regulations governing my stay in the United States. I understand that the purpose of my visit is solely for medical treatment, and I will not engage in any unauthorized activities during my extended stay.

I kindly request your prompt attention to this matter as my medical treatment is time-sensitive. If there are any further documents or information required, please do not hesitate to contact me at [your contact number] or [your email address].

Thank you for considering my request. Your understanding and assistance in this matter would be greatly appreciated.


[Your Name]

B2 Visa Extension Sample Letter (Tourism)

[Your Name]

[Your Address]

[City, State, ZIP Code]