Borders and Taxes: The Dynamics of Article 26 Income Tax on Expatriate Income (Non-Treaty)

In the global business ecosystem, employing foreign workers (expatriates) is common. However, the taxation aspect is often a critical point, particularly distinguishing when an expatriate is treated as a Non-Resident Taxpayer (Subjek Pajak Luar Negeri/SPLN) subject to Article 26 Income Tax (PPh 26), and when their status shifts to a Resident Taxpayer (SPDN) subject to Article 21 Income Tax (PPh 21).

This article discusses scenarios where the expatriate is still an SPLN (present in Indonesia for less than 183 days and intending not to stay) and the implications if that status changes, assuming no Tax Treaty (P3B) applies.

Basic Concept of PPh Article 26: Single and Final Rate

Based on the Income Tax Law and its derivative regulations, income received by an SPLN for work, services, or activities in Indonesia is subject to Article 26 Income Tax withholding. The main principle is a 20% rate on Gross Income and is Final. Unlike PPh 21 which has progressive rates and accounts for Non-Taxable Income (PTKP), PPh 26 deducts a flat rate from the gross value without any deductions.

This income includes salaries, wages, honoraria, allowances, and other payments in any name and form, including those given in the form of benefits in kind (natura) and/or amenities (kenikmatan).

Scenario 1: Salary in Rupiah (Short-Term Assignment)

This is the simplest scenario. An expatriate works for a short period (e.g., 3 months) and receives a salary in Rupiah.

Scenario 2: Salary in Foreign Currency (Forex Salary)

Many expatriates are paid in foreign currency (e.g., USD or JPY). In this case, the tax calculation must first convert the amount to Rupiah using the Minister of Finance's Exchange Rate applicable at the time of payment or when the income becomes due.

Scenario 3: Provision of Benefits in Kind (Natura)

Since the implementation of the Benefit in Kind regulation (PMK 66/2023), non-cash facilities received by SPLN are also objects of PPh Article 26.

Scenario 4: Change of Status to Resident Taxpayer (Tax Credit)

This is the most complex yet crucial scenario. If an expatriate initially withheld under PPh 26 later changes status to SPDN (e.g., by extending a contract beyond 183 days or intending to stay), then the PPh 26 already withheld is no longer final.

Regulation: Based on PMK 168 of 2023, if the status changes to SPDN, the PPh Article 26 that has been withheld can be credited (used as a deduction) in the calculation of PPh Article 21 or Annual Personal Income Tax.

Case Example: Mr. X (UK citizen)

Conclusion

Companies must carefully monitor the duration of stay (time test) of expatriates. If < 183 days, use PPh 26 (20% Final). If the status changes to SPDN, perform a recalculation where the paid PPh 26 becomes a tax credit, avoiding double taxation at the domestic level.

Regulatory References:

• Law Number 7 of 2021 concerning Harmonization of Tax Regulations (Article 26).
• Government Regulation Number 58 of 2023 concerning Article 21 Income Tax Withholding Rates.
• Minister of Finance Regulation Number 168 of 2023 concerning Implementing Guidelines for Withholding Tax on Income in Connection with Work, Services, or Activities of Individual Taxpayers (Article 14 and Article 15 paragraph 7).
• Regulation of the Director General of Taxes Number PER-23/PJ/2025 concerning Determination of Resident and Non-Resident Tax Subjects.