Hello. Probably somebody else already asked about this but I can't find the thread.

In Denmark I got a 60 day thai visa (+30).

I hear that the + 30 can be given without going out of the country just by going to the immigration.

Is it true?

And since probably I might need an extra 20 days.

Will I get 30 days if I walk at the Mae Sai borde( CR) or any other border?

I remember that at one point they were only giving 15 days if by foot.

Thank you in advance. 🙏