New Tax Framework for Foreign-Sourced Income: Thailand’s Draft Decree Explained
The taxation of foreign-sourced income has emerged as a pivotal issue within Thailand’s tax system, particularly as increasing numbers of Thai individuals engage in overseas employment, investment, and asset holdings. The government seeks to achieve a delicate balance between closing tax loopholes and incentivizing the repatriation of overseas funds to stimulate domestic economic growth.
Historical Framework
Under the previous Revenue Department Order No. GorKhor 0802/696, dated 1 May 1987, foreign-sourced income remained exempt from Thai personal income tax provided it was brought into Thailand in a tax year different from the year in which it was earned. This provision enabled many individuals to legally defer the remittance of foreign income, thereby avoiding immediate taxation obligations.
Current Regulatory Changes
Effective 1 January 2024, the aforementioned provision was repealed by Revenue Department Order No. Por.161/2566. Under this regulation, individuals classified as Thai tax residents, those residing in Thailand for more than 180 days within a calendar year, are now obligated to pay personal income tax on foreign-sourced income if such income is remitted to Thailand, regardless of the calendar year it is earned. The applicable personal income tax rates for this remitted foreign income range progressively from 5% to 35%, determined by the total taxable amount.
Unintended Consequences and Policy Response
While Revenue Department Order No. Por.161/2566 was enacted to enhance tax transparency and align Thailand’s tax framework with international standards, including those established by the OECD, it has generated an unintended consequence. Many Thai individuals earning foreign-sourced income have opted not to remit such funds to Thailand due to concerns regarding potentially substantial tax burdens.
In response to these matters, the Revenue Department is currently drafting a new Royal Decree (hereinafter referred to as “the Draft“) designed to address these conditions.
Key Proposed Provisions
The Draft includes the following principal proposals:
- Tax Exemption Extension: Personal income tax exemption will apply to foreign-sourced income remitted to Thailand within one to two years from the year it was earned. If remitted after that, the income tax will be applied.
- Elimination of Same-Year Requirement: The current requirement mandating income remittance within the same calendar year it was earned will be removed.
This revised approach aims to provide taxpayers with enhanced flexibility in managing financial transactions, such as year-end dividend payments, while serving as a positive incentive for overseas Thais to repatriate funds for domestic investment across capital markets, business enterprises, and real estate sectors.
Current Status and Implementation Considerations
While the Draft represents a promising policy development, it has not yet been formally enacted and enforced. Uncertainty remains regarding whether the new provisions will apply retroactively to income remitted to Thailand during 2024.
Until formal enactment occurs, timing remains a critical consideration. Remitting income outside the anticipated grace period may result in taxation under current regulations.
Conclusion
The recent policy initiative by the Thai government reflects a broader strategic objective to incentivize, rather than penalize, the repatriation of foreign-sourced income. This approach serves dual purposes—reducing the tax burden on individuals earning income abroad while acting as a catalyst for attracting capital back into the domestic economy. Should the Draft be formally enacted and enforced, it will communicate a clear and positive message to overseas Thai nationals that repatriating funds will no longer entail prohibitive tax costs.
The success of this policy framework will ultimately depend on its implementation details and the government’s ability to balance revenue generation with economic stimulus objectives.
Author: Panisa Suwanmatajarn, Managing Partner.
Source: International Comparison August 2025: Antea