Thailand Foreign-Income Remittances: What Needs Review

A transfer amount and a foreign tax rate are not enough to decide the Thai tax result. Gather the facts for each income year and source before relying on a liability estimate.

The starting points

Income year matters: the revised Por.161 interpretation concerns foreign-sourced income arising from 1 January 2024 onward. Por.162 excludes earlier income from that revised interpretation.
Residency must match the income year: the Revenue Department Q&A considers presence in Thailand totaling at least 180 days in the year the foreign income arose. A day count for the current remittance year alone is insufficient.
Review the actual remittance: document when and how funds enter Thailand. A Thai bank transfer is not the only way funds can be brought in.

Foreign tax paid is not an automatic exemption

There is no blanket exemption established by paying at least 15% foreign tax and having proof. The Revenue Department's foreign tax credit manual requires review of the relevant country and income category, treaty taxing rights, actual income tax paid and credit limits. Where applicable, a credit offsets Thai tax within the permitted limit; it does not automatically remove the income from assessment.

Records for a case review

The source and nature of the funds, with earning dates and supporting records for each income amount
Days present in Thailand in each income year, and any treaty-residency facts
Remittance amounts, dates and methods
Foreign tax returns, payment evidence and the tax attributable to the relevant income
The applicable treaty provisions, credit limit and any relevant deductions or other income

This page does not determine whether a particular transfer is taxable, exempt or eligible for a credit. It also does not calculate the benefit of delaying or splitting remittances. Any proposed change to the rules needs confirmation in current official sources before use.

Organize your records with the Remittance Tax Review Checklist →
The separate bracket calculator does not establish whether remittances are assessable or creditable. Review your case with a qualified Thai tax adviser.

Official sources

Safeguard review: 3 October 2026. Educational information, not tax advice. Confirm current official guidance before acting.