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Does having a TIN in Thailand make a foreigner a tax resident if they haven't stayed for 180 days?

Mar 21, 2025
13 days ago
Doug *********
ORIGINAL POSTER
Hypothetical question: If a foreigner has a TIN does this automatically make him/her a tax resident even if he/she has not been in Thailand more than 180 days in any tax year? If anyone has a definite answer this would be appreciated.
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TLDR : Answer Summary
In Thailand, a foreigner must stay in the country for 180 days or more in a tax year to be considered a tax resident. Possessing a Tax Identification Number (TIN) does not confer tax residency status. Additionally, any foreigner earning income from properties in Thailand may still be liable to pay taxes on that income, regardless of their residency status.
Chang *****
Question...Less than 180 days in thailand but have many rental condos producing an income /profit does that person pay tax ?? My understanding is yes but people saying no because ur not here more than 180 days ...anyone know ??
Tony ********
@Chang ****
and your supposed to file and declare twice in a year, not just in March if you have monies coming in from rental properties.
Michael ********
@Chang ****
You are supposed to declare it
Roberto *********
@Chang ****
Money generated inside Thailand is taxable in Thailand even if you're only here for a week, and even if the money is paid to you in another country
Chang *****
I thought that.. some people are assuming u can dodge paying it by leaving the country for 180 .there must be something in the 180 days rule that's getting misunderstood
John **********
If you are not inside Thailand for 180 days or more you are not a Thai tax resident. Having a TIN is irrelevant
Roberto *********
@John *********
Unless the money is generated inside Thailand. 180 days is irrelevant
John **********
@Roberto ********
not irrelevant, rather income from inside Thailand is taxable regardless of whether you are resident or not
Roberto *********
@John *********
Um, that's what I said. The 180 day rule is irrelevant
Ian *********
@Roberto ********
is that correct?
Roberto *********
Doug *********
ORIGINAL POSTER
@John *********
thank you
Roberto *********
Only if you've earned an income in Thailand
Martyn ***********
No you have to here 180+ days... Don't get a tin unless they make you.
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