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What is the earliest I can apply for a yearly NON-O extension based on marriage at Chaengwattana?

Non-O Visa Visa Extension Chaengwattana Immigration Office Thai Marriage Visa Visa Application Timelines

Sep 18, 2025

20 days ago

Katherine ********

ORIGINAL POSTER

Hi all, for Chaengwattana, what is the earliest I can apply for yearly non-o extension (based on marriage) from my 90 day non-o visa- is it 45 days or 30 days remaining? 

In my previous yearly extensions is was basically a month’s consideration time, but it seems some have said 21 days- is this the norm now at CW? Thanks so much- trying to figure out timings before leaving for UK Christmas.

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TLDR : Answer Summary

You can apply for a yearly Non-O extension based on marriage at the Chaengwattana office when you have 45 days or less remaining on your visa. The standard period for your application to be under consideration is currently 21 days.

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Ellie *******

At the Chaengwattana office, you can apply for an extension when you have 45 days or less remaining with your stamp.

And the standard under-consideration period is 21 days there.

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Ellie *******

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