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Do I need to obtain the official bank letter on the same day as my O-A visa extension application submission?

O-A Visa Extension Bank Requirements Kasikorn Bank Chaengwattana Immigration Visa Application Process

Oct 2, 2025

6 days ago

Benedetta *******

ORIGINAL POSTER

Hello, I'd like to check if anyone else has encountered this issue.

I heard that the Kasikorn Bank (K Bank) branch inside the Chaengwattana Immigration Office has closed. The closest alternative K Bank I know of is in Laksi, but it doesn't open until 11:00 AM.

Can anyone confirm: Is it required to obtain the official bank letter on the very same day you submit your O-A visa extension application?

Thank you

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TLDR : Answer Summary

The user is inquiring about the necessity of obtaining an official bank letter on the same day as submitting their O-A visa extension application at the Chaengwattana Immigration Office, following news of the closure of a nearby Kasikorn Bank branch. According to a comment, the bank letter can actually be up to 7 days old when submitting the application.

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Ellie *******

Bank letter can be up to 7 days old at chaengwattana.

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