Anonymous participant 959 if it's the Thailand side, I'm not sure what you mean exactly. Have you got your TIN? (tax number) or is that what you're struggling to get?
We're looking into the same thing. We're keeping a track of everything coming in and just making notes of it with transfer recipets. We're hoping to manage it carefully so our tax will be zero and we fill in the tax form as no tax owing. We will e-file and then anything outstanding can be paid in cash at the