Originally Posted by Bogon
Copy of wife ID card
Copy of Tabien Baan (blue book)
True if your wife "owns" the property named in the blue book/named as head of household? or another family person.
If not you will need signed copies of the other owner/persons Thai ID card. I would take all just in case.
In addition when I recently applied for the extension, based on marriage, at my local immigration office, they requested a form from the Tesseban office of marriage, the office as presumably stated on the marriage certificate. I was informed it was required as proof of a continuing marriage. The local office although picky is very helpful in many ways. It will save a return journey if you are asked. They did also have to send it off to Bangkok for authorisation/issue so that may have been the reason, a new edict from head office.