Chaeng Wattana accepts bank letters up to 7 days old.

For other members, check with your local office for their policy. Some offices do the same as CW. Some accept a few days maximum. There are some offices that only accept letters on the day of issue.

Check this first. You still need to check with CW for their latest requirements as there is no assurance this is the latest.

Make sure you have proof of address in Bangkok.

You need to apply for an extension at the immigration office that serves your address with TM30 record.

So if you want to fill the form with the address in Bangkok, you have to apply for tourism extension at the IT Square Laksi Plaza office.

If you want to apply it at Hua Hin, use the hotel address and get TM30 receipt from the hotel just in case.

Not true. As a rule, every single foreigner has to be submitted TM30.

usually, you need TM30 when you have to do something at Immigration office, not only "visa renewal" or extension application. Still the possibility you being checked by the police by chance is not zero.

@Nick ******

, yes, they revised requirements later last year.

If you mean applying for an initial in-country Non-O visa based on being over 50, no, no seasoning is required for that in Chiang Mai. You put the money in, get the bank letter would work.

Make sure you check the latest requirements of funds for an in-country Non-O in Chiang Mai. Some reports said no "international transfer" in requirements in Chiang Mai, some said you need to prove the funds were transferred internationally. I'm not sure the very latest requirements for that part.

AFAIK, you go to the main office by the airport. But let's see if any members in Chiang Mai have updated information.

@Paul **********

, you can apply for 1-year extension based on the same reason of your Non-O visa entry. After that, you can apply for another 1-year extension every year as long as you meet the requirements.

Details depend on your local immigration office, many allow you to apply for 1-year extension on any entry on that visa.

There are a few offices that let you use that visa until "the last entry" before accepting your extension application.

Check with your local office.

Yes, visa-wise, IF your employer provides the necessary documents for him to apply for Non-O dependent on you.

But, it totally depends on the employer and your contract with them whether and when the employer would provide documents. You (or he) cannot apply for his visa on your own without paperwork from your employer.

Talk with your employer well in advance.