I might have to go to the US soon to deal with an unexpected family medical matter. I am a US citizen with an extension to a non-O based on marriage to a Thai. My current year extension ends on November 24. I'm using the 400,000b in the bank method to meet the income requirement and the money has been seasoning since September 14. My immigration office is Chiang Mai.

Questions:

- How far in advance of Nov. 24 can I apply for a new extension? The money won't be fully seasoned until Nov. 14, of course.

- Can I leave Thailand during the provisional period? The intended scenario would be to buy a re-entry permit and return to Thailand in time to get the stamp for the full extension. One concern is the potential home visit. Immigration did visit for the last two extensions so I think it is likely they would visit again.

- If not, or if I am unable to return in time for the stamp, what would make best sense for getting a new visa?