please tell me, if you arrive in Thailand for 45 days you need some kind of registration, if you need it, where?

[Constantine]

please tell me, if you arrive in Thailand for 45 days you need some kind of registration, if you need it, where?

[Maria]

I realized that I did not need it, you put a stamp at the airport, and the card was not filled out upon arrival. In the immigration it is necessary to register for the extension of the visa if it exists and it is planned to leave for the visaran. Somehow I understood, in short