@Marco ********
You will need the following
1. Your passport and a copy of:
a. The data “picture” page.
b. The most recent visa or copy of the e-visa print out(if applicable).
c. All entry stamps or extension of stay (if applicable) since arrival .
d. The departure card (“TM 6”) that should be stapled in the passport.
2. The extension of stay application form (“TM 7”).
3. A copy of the submitted Notification of Residence of Foreigners form ("TM 30”).
4. The half-Thai child physically next to you, and;
- Their Thai ID card and a front and back copy of the ID card
- Their housebook, and a copy of the first page.
5. For visiting half-Thai child, a copy of the birth certificate.
6. 2x passport sized (4cm by 6cm) photos. Note: Only 1 picture is required for Bangkok Immigration.
7. 1,900 THB processing fee.
Different immigration offices have different requirements, and this may include:
- Copies of all passport pages.
There is no under consideration issued with this extension of stay.