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How can I effectively time my Non-B visa extension in Chiang Mai considering my travel plans?

Non-B Visa Visa Extension Chiang Mai Immigration Thailand Visa Rules Travel and Visa Applications

Jul 26, 2025

a month ago

Thiago ***********

ORIGINAL POSTER

Hi everyone, I’d love to hear your experiences regarding a Non-B visa extension in Chiang Mai.

I currently hold a 1 year Non-B visa being the director of my own company here. My current permission of stay expires on November 14th, and I would like to extend it for another year.

However, I have a long trip planned during October-December, so I’m trying to figure out the best timing for the extension.

I know that I can submit the extension application up to 45 days before the expiry date but I'm not sure about they giving me a 30-day “under consideration” stamp first, followed by the full 1 year extension after review a month later...

Does anyone have recent experience with this process? Is the 30-day under consideration stamp the standard practice or they can give me the 1 year right away? How flexible are they if travel is involved during the renewal process?

Any tips or advice would be super helpful. Thanks in advance!

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TLDR : Answer Summary

The user seeks advice on extending their Non-B visa in Chiang Mai, considering their planned travel from October to December. They inquire about the timing of their application, specifically if they can receive a one-year extension immediately or will first be given a 30-day under consideration stamp that requires additional travel. A comment suggests applying around October 1st, emphasizing the need to provide proof of travel and discusses flexibility in extension practices from immigration officers.

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Tod *********

as you pointed out in Chiang Mai you can apply when you have 45 days or less left on your current stamp

so right around Oct 1st or so would be the soonest.

IF they don't issue the year extension on the spot (which they MIGHT do seeing as you're a managing director of a company) you would get a 30 day under consideration stamp which usually is added on to the end of your current stamp (meaning you'd show back up a month AFTER Nov 14th) or around Dec 14th

I would take your proof of travel with you when you go to apply, see what they say and IF they have to give you the u/c stamp see if they will "stretch it" so that you can get a re-entry permit, travel and come back before you need to show up to get the year extension inked in

The immigration office/officers are under no obligation to do that but they can do it if they want to and feel you have a valid reason

a month ago

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Tod *********

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