If there are 35 days of overstay, then you need to do +7 days in an immigrate in Phuket for 1900 baht or can it be done immediately at the airport? What is the best thing to do and where to read about it?

[German]

If there are 35 days of overstay, then you need to do +7 days in an immigrate in Phuket for 1900 baht or can it be done immediately at the airport? What is the best thing to do and where to read about it?

[Aleksandr]

The extension is done at the immigration office. In your case, it is best to go to the office, which is in Patong. You need a passport, 3 by 4 photos and actually 1900 baht in cash. They will give you a questionnaire - fill it out and last.