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How soon can I apply for my Non-Immigrant O visa extension, and does using an agent change this timeframe?

Non-Immigrant O Visa Visa Extension Thailand Immigration Policy Application Timeline Visa Types

Nov 28, 2025

5 months ago

Patrick ******

ORIGINAL POSTER

How many days prior to the expiration of my Non-Immigrant O visa can I apply for my annual extension?  ￼ Also, is the timeframe the same whether I am doing it on my own or using an agent? Thanks 🙏

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TLDR : Answer Summary

You can apply for an annual extension of your Non-Immigrant O visa 30 days before its expiration at most immigration offices in Thailand. However, some larger offices, including those in Bangkok, Chiang Mai, and Phuket, allow applications to be submitted up to 45 days prior to the expiry date. The timeframe remains the same whether you apply directly or through an agent.

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most Immigration offices allow the application to the 1-year extension of the stay permit up from 30 days before the expiry of the 90-days stay permit you got stamped when you entered Thailand. Some Immigrations like Bangkok, Jomtien, Chiang Mai, Khon Kaen and others I don't remember, allow it up from 45 days. If you want to know how "your" Immigration interprets it, you need to visit them and ask and also politely ask them for the list of requirements for the application to the "1-year extension of temporary stay permit"

5 months ago

Jan ******************

The timeframe varies by location. Some bigger immigration offices like Bangkok, Chiang Mai, and Phuket allow 45 days before the due date, while the rest are 30 days. Using an agent doesn't typically change the timeframe.

5 months ago

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Jan ******************

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