@Benjamin ******
You *SHOULD* need the following:
1. Your passport and a copy of:
a. The data “picture” page.
b. The most recent visa (if applicable).
c. The most recent entry stamp or extension of stay (if applicable).
d. The departure card (“TM 6”) stapled in the passport.
2. If entered on a tourist visa, a TM 86 visa change request form, and if entered on a visa on arrival, visa exempt, or bilateral agreement, a TM 87 visa change request form.
3. Proof of a TM 30 filed at the immigration office.
4. A marriage certificate with a certified translation by the Ministry of Foreign Affairs, if the certificate was not issued in Thailand, and one copy.
5. A front and back copy of the wife’s Thai ID card, the original and copy of the Thai house book, and an updated Kor Ror 2 showing the marriage is still current, acquired from the local amphur office.
6. Financial requirements must be met. These requirements are:
- 400,000 THB in a Thai bank account OR;
- 40,000 THB in income OR;
- A letter from the embassy saying the applicant has a monthly income of 40,000 THB or more a month. If the embassy offers the income letter, the income method can not be used.
7. Photographs of you and the spouse outside the home with the house number visible, and throughout the home.
8. 2x passport sized (4cm by 6cm) photos.
9. A processing fee of 2,000 THB.
For Bangkok Immigration, you need AT LEAST 15 days remaining on your existing “admitted to” stamp.