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

Thai Tax Residency Foreign Taxation Tax Identification Number (TIN)Long-term Stay in Thailand Tax Regulations for Expats

Mar 21, 2025

a month ago

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.

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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 ??

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Tony ********

and your supposed to file and declare twice in a year, not just in March if you have monies coming in from rental properties.

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Michael ********

You are supposed to declare it

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Roberto *********

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

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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

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Chang *****

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John **********

If you are not inside Thailand for 180 days or more you are not a Thai tax resident. Having a TIN is irrelevant

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Roberto *********

@John *********

Unless the money is generated inside Thailand. 180 days is irrelevant

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John **********

@Roberto ********

not irrelevant, rather income from inside Thailand is taxable regardless of whether you are resident or not

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Roberto *********

@John *********

Um, that's what I said. The 180 day rule is irrelevant

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Roberto *********

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Ian *********

@Roberto ********

is that correct?

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Roberto *********

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Roberto *********

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Doug *********

ORIGINAL POSTER

@John *********

thank you

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Doug *********

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Roberto *********

Only if you've earned an income in Thailand

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Martyn ***********

No you have to here 180+ days... Don't get a tin unless they make you.

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Martyn ***********

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