?? ..don't know maybe someone else will. I thought a O was only available in Thailand. We have O's and the extension always requires a letter from the bank no older than the day before we renew, plus copies of every page of the passbook for the past 12 months.
You will probably need it if you ever leave Thailand and want to come back though, and getting it after age 75 can be difficult. We want to go to the US in December and return in February and we are
*****
, so we just signed up for the first time in 11 years of living here. A good policy with high deductible cost us 94,000 for the year.