You are supposed to transfer your stamps as soon as you get your new passport. You can do this when you apply for anything at the local immigration office. If you wait, you must bring both old and new passports every time you travel out.
You cannot do a 90-day report online until you transfer stamps.
, and if you haven't applied for it with this current series of visa and extensions. 60-day family visit extension is one time per visa (not per yearly extension).
There is no three-month option for Non-O-based extension for retirement. All you can do is, go to the local office together to apply for an extension in February, and ask for an "up-to-1-year" extension matching May one.
The worst thing they would do is say no. Then you will still have the same period of extensions, until each Feb and May.
n at DMG. It is a small room with an overstay fine counter behind passport control desks, after passing passport control and before security check.
Tell the officer at passport control that you need a re-entry permit, you will be directed where you should go.
Attached is general information for the re-entry permit. You need only original passport and pay 200 baht extra, or you bring all necessary form and photos no extra fee.
Allow 10-20 extra minutes for the re-entry permit procedure.
If the due date was yesterday, it's a bit too late to your saying "reset". But you still have until 7 days after to report physically at Chamchuri without any issue. A 90-day report can be done without you attending in person.