Timor-Leste Tax Regime

Timor-Leste operates one of the simplest corporate tax regimes in Asia-Pacific: a flat 10% corporate income tax on general business activity, a fully dollarised economy (the US dollar is legal tender and the functional currency for all tax purposes), and a comparatively narrow set of indirect taxes centred on sales tax and excise rather than a broad-based VAT. A separate, materially higher regime applies to petroleum activity, reflecting the fiscal importance of oil and gas revenues channelled through the Petroleum Fund. The tax law is anchored in the Taxes and Duties Act (Law No. 8/2008, as amended), administered by the National Directorate of Domestic Revenue within the Ministry of Finance. The system favours administrative simplicity over complexity, which suits the country's small and still-developing formal private sector.

1.1 Sources

Primary legislation includes the Taxes and Duties Act (Law No. 8/2008, as amended by Law No. 21/2019 and subsequent amendments), the Petroleum Tax Act (Law No. 8/2005 in relation to the Joint Petroleum Development Area and onshore/offshore concessions), and administrative regulations issued by the National Directorate of Domestic Revenue.

1.2 Recent developments

Timor-Leste has maintained the 10% general corporate rate through 2026 while continuing to refine administration of the industry-specific petroleum regime, including the Supplemental Petroleum Tax (SPT) formula and the treatment of the Joint Petroleum Development Area (JPDA) shared with Australia. The government has continued incremental modernisation of tax administration (electronic filing pilots and taxpayer registration drives) as part of broader efforts to diversify non-oil revenue ahead of the eventual decline of Bayu-Undan and Greater Sunrise-related receipts. No broad-based VAT has been introduced; the sales-tax and import-duty framework remains the primary indirect tax tool alongside excise on selected goods.

Headline statutory corporate income tax rate for a resident company. Where sub-national (state, provincial, cantonal or municipal) corporate taxes apply, the combined rate reported by the OECD is shown. Projected 2026–2028 rates carry the current rate forward unless a change is already enacted or officially scheduled. As-of 2026.

Top marginal statutory personal income tax rate on employment income for a resident individual. Where sub-national (state, provincial, cantonal or municipal) income taxes are a standard part of the system, the combined top rate is shown. Projected 2026–2028 rates carry the current rate forward unless a change is already enacted or officially scheduled. As-of 2026.

2.1 Rates and residence

Resident companies are subject to corporate income tax on worldwide taxable income, defined as the excess of gross income over allowable deductions. Non-resident companies are taxed on Timor-Leste-source income attributable to a permanent establishment; non-residents without a PE may instead be subject to a 10% final withholding tax on Timor-Leste-source payments. The general corporate income tax rate is a flat 10%, applied uniformly regardless of company size or sector, other than the petroleum industry carve-out described below. There are no municipal or local income taxes.

Residence is generally established by incorporation or effective management in Timor-Leste. Because the US dollar is the domestic currency, there is no exchange-rate translation issue for tax computations — accounts and returns are prepared and filed in US dollars.

2.2 Industry-specific rates and the petroleum sector

Oil and gas contractors are taxed at a substantially higher 30% CIT rate, while registered sub-contractors to petroleum operations are generally taxed at a flat 6% rate on gross payments. A Supplemental Petroleum Tax (SPT) applies in addition to CIT for petroleum contractors, computed on 'accumulated net receipts' under a formula that effectively claws back economic rent once a contractor's cumulative after-tax cash flow (uplifted at a prescribed rate) turns positive; SPT paid is itself deductible in computing CIT. Separate fiscal arrangements, including production-sharing terms, apply to activities within the Joint Petroleum Development Area shared with Australia, reflecting the treaty framework governing that maritime zone.

2.3 Dividends and participation

Timor-Leste's domestic tax base is narrow and does not operate a formal participation-exemption regime comparable to OECD economies. Dividends distributed by a resident company are generally subject to withholding tax at the standard non-resident withholding rate where paid to a non-resident recipient; domestic inter-company distributions are addressed under the general income and withholding provisions of the Taxes and Duties Act rather than a dedicated exemption code. Groups structuring investment into Timor-Leste typically rely on treaty-equivalent relief being largely unavailable (Timor-Leste's tax treaty network is minimal), so withholding costs on outbound distributions should be modelled into project economics from the outset.

2.4 Income determination

Taxable income is computed on an accruals basis from commercial accounts, adjusted for tax rules. Gross income includes business profits, gains on disposal of business assets, interest, royalties, rent and other income connected with the business. Ordinary and necessary business expenses incurred in deriving taxable income are deductible, including salaries, rent, utilities, and interest, subject to substantiation. Capital expenditure is recovered through depreciation rather than immediate deduction; the Taxes and Duties Act prescribes categories of depreciable assets with corresponding rates, generally applied on a declining-balance or straight-line basis depending on asset class.

2.5 Interest limitation

Timor-Leste does not operate an EU-style 30%-of-EBITDA fixed-ratio interest barrier. Instead, deductibility of interest is tested under general arm's-length and business-purpose principles, with related-party and cross-border financing subject to closer administrative scrutiny, particularly for petroleum contractors where interest and financing charges affect the SPT accumulated net receipts calculation. Thin-capitalisation-style adjustments may be applied administratively where debt levels are considered excessive relative to a comparable independent arrangement.

2.6 Losses

Tax losses may generally be carried forward to offset future taxable income, subject to conditions on continuity of ownership and business activity designed to prevent trafficking in loss-making shell companies. There is no loss carryback. Petroleum contractors compute losses separately within the ring-fenced petroleum tax regime, and losses from petroleum activity cannot be set off against non-petroleum business income.

2.7 Group taxation

Timor-Leste does not offer a formal group relief or fiscal consolidation regime. Each company is assessed separately, and losses or profits cannot be pooled across related entities for CIT purposes. Groups operating multiple entities in-country must therefore plan financing and profit allocation with the absence of consolidation in mind, including where intra-group service and financing arrangements are used to align results with underlying economic activity.

2.8 Controlled foreign companies and transfer pricing

Timor-Leste does not currently operate a codified CFC attribution regime comparable to ATAD-based rules in OECD member states. Transfer pricing between related parties is nonetheless subject to the general arm's-length requirement in the Taxes and Duties Act, and the tax authority can adjust the price of related-party transactions considered non-arm's-length, drawing on OECD principles as persuasive guidance in the absence of detailed domestic transfer-pricing regulations. Formal three-tier documentation (master file/local file/country-by-country report) is not mandated domestically, though multinational groups active in petroleum typically prepare such documentation for home-jurisdiction compliance and to support positions taken locally.

2.9 Incentives

Timor-Leste's investment law provides for tax incentives — including import duty and tax exemptions on qualifying capital goods and, in some cases, time-limited profit tax relief — for approved priority investment projects meeting minimum investment and employment thresholds, subject to approval by the national investment promotion body (TradeInvest Timor-Leste). Special economic zone status (notably the Oecusse special zone, ZEESM) can carry additional fiscal concessions for qualifying activity. There is no general R&D credit or patent box regime.

2.10 Pillar Two

Timor-Leste has not adopted Pillar Two global minimum tax legislation, and the country falls well outside the population of jurisdictions hosting in-scope headquarters of groups with consolidated revenue of EUR 750 million or more. Inbound multinational groups that are otherwise within Pillar Two scope should nonetheless model Timor-Leste operations within their consolidated effective-tax-rate calculations, since low-taxed profits earned locally (particularly at the 10% general rate) can still trigger top-up tax at the level of a parent jurisdiction that has implemented an income inclusion rule or undertaxed profits rule.

2.11 Branch income and reorganisations

A branch or other permanent establishment of a foreign company is taxed on Timor-Leste-source profits attributable to the PE at the same rates as a resident company (10% general, or 30%/6% for petroleum contractors/sub-contractors as applicable); there is no separate branch profits or remittance tax beyond ordinary withholding on specific outbound payments. Domestic reorganisations (mergers, transfers of business) are not governed by a dedicated tax-neutral reorganisation code comparable to more developed regimes; asset transfers are generally treated as disposals at fair value unless specific administrative relief is obtained, so restructurings should be planned with potential crystallisation of gains in mind.

3.1 Residence and rates

Resident individuals are taxed on worldwide employment and business income; non-residents are taxed on Timor-Leste-source income only. Residence is generally based on presence in Timor-Leste for more than 182 days in a 12-month period, or having a permanent place of abode in the country. Personal income tax is charged at modest rates by regional standards: employment and business income of residents is taxed progressively, with a wage-income-tax schedule that exempts a basic monthly threshold and applies a low flat rate (historically 10%) above that threshold, reflecting the regime's overall design simplicity. Non-resident individuals are generally subject to a flat final withholding tax on Timor-Leste-source income.

3.2 Employment income and benefits

Wage income tax is withheld monthly by employers on salary, wages, and most cash benefits, with a monthly tax-free threshold intended to exempt low-income workers from tax altogether. Non-cash fringe benefits are generally valued and included in taxable wage income under rules set by the tax authority. Self-employed individuals and sole proprietors are taxed under the business-income rules applicable to companies, filing and paying provisional and final income tax on their net business profits.

3.3 Social security and payroll

Timor-Leste operates a social security scheme (Sistema de Seguransa Social) funded by mandatory employer and employee contributions on wages, alongside wage income tax withholding. Employers are responsible for registering employees, withholding both wage tax and the employee's social security contribution, and remitting employer contributions and total withheld amounts to the relevant authorities on a periodic basis.

3.4 Inbound individuals

There is no net wealth tax, no inheritance tax and no capital gains tax specific to individuals outside the business-income and property-transfer rules; property and land transactions can attract stamp-type charges under local land administration rules given the country's distinctive land-tenure framework. Expatriates working for petroleum contractors and international organisations are subject to the same wage income tax principles as other residents/non-residents, with treaty relief generally unavailable given Timor-Leste's very limited double tax treaty network; foreign tax credit relief, where available, is assessed unilaterally under domestic law rather than through treaty mechanisms.

Timor-Leste applies a largely flat withholding tax architecture. Non-residents without a permanent establishment are generally subject to a final 10% withholding tax on Timor-Leste-source income, including many categories of services, royalties and certain interest payments. Domestic payments to resident taxpayers (for example, on certain services and rental payments) are also subject to withholding as a mechanism for advance collection, creditable against the recipient's final annual liability. Because Timor-Leste has concluded very few comprehensive double tax treaties, most cross-border payments bear the full domestic withholding rate without treaty reduction; investors from major capital-exporting jurisdictions should not assume treaty relief will be available and should factor gross domestic withholding into pricing and financing structures.

Because withholding is generally final for non-residents without a PE, careful attention is required to determine whether a foreign counterparty's activity in Timor-Leste rises to the level of a permanent establishment (which would instead trigger net-basis assessment at 10%/30% as applicable) or remains a withholding-only presence. The Joint Petroleum Development Area is governed by a bespoke bilateral arrangement with Australia rather than a conventional bilateral tax treaty, and its revenue-sharing and tax-collection mechanics sit outside the ordinary domestic withholding table above.

5.1 General anti-abuse

The Taxes and Duties Act empowers the tax authority to disregard or recharacterise arrangements entered into principally to obtain a tax benefit, and to make arm's-length adjustments to related-party pricing. In the absence of a codified GAAR of the sophistication found in OECD jurisdictions, anti-avoidance enforcement in practice relies heavily on the general arm's-length requirement, information-gathering powers, and industry-specific audit focus on the petroleum sector given its outsized share of government revenue.

5.2 Cross-border coordination

Timor-Leste is not a party to the OECD/G20 BEPS multilateral instrument and has not implemented DAC6-style mandatory disclosure or country-by-country reporting obligations domestically. Multinational petroleum contractors nonetheless typically must supply extensive information to the tax authority and to petroleum sector regulators under production-sharing and taxation agreements specific to their contract area, which in practice achieves a level of transparency comparable to formal BEPS instruments for that sector even without adopting the instruments themselves.

6.1 Sales tax and import duties

Timor-Leste does not operate a broad-based value-added tax. Instead, sales tax is imposed under Schedule III to the Taxes and Duties Act at 2.5% on taxable goods imported into Timor-Leste and at 0% on the sale of taxable goods or the provision of taxable services within Timor-Leste, alongside customs import duty on goods entering the country; a separate services tax of 5% applies to hotel, restaurant and bar and telecommunications services where monthly receipts reach USD 500. Excise tax applies to a defined list of goods, including alcohol, tobacco, and fuel, at specific rates per unit or ad valorem, collected principally at the point of import given the country's reliance on imported goods.

6.2 Other taxes

There is no net wealth tax, no general capital gains tax outside business-income rules, and no stamp duty regime as elaborate as in mature economies, though land and property transactions are subject to registration fees and charges under the land law framework, which remains in transition given Timor-Leste's post-independence land tenure history. A vehicle tax and various service and permit fees apply at modest levels. The government's principal non-tax revenue source remains petroleum receipts channelled through the Petroleum Fund, which materially reduces reliance on broad-based domestic indirect taxation relative to peer economies.

7.1 Filing, assessment and audit

The tax year is the calendar year. Corporate and individual taxpayers file annual income tax returns with the National Directorate of Domestic Revenue, generally due within a prescribed period after year-end (commonly by the end of March of the following year), alongside periodic (monthly) withholding and wage tax remittances. Large taxpayers, including petroleum contractors, are subject to a dedicated large-taxpayer administrative unit with closer monitoring and more frequent reporting obligations given the revenue significance of that segment. Audits are risk-based, with particular focus on the petroleum and import sectors; the tax authority has statutory access and information powers to verify returns.

7.2 Rulings, appeals and penalties

Taxpayers may seek administrative guidance from the tax authority, though a formal binding private-ruling regime comparable to mature OECD administrations is limited. Disputed assessments may be objected to administratively and, if unresolved, appealed through the domestic court system. Penalties apply for late filing, late payment and understatement of tax, generally computed as a percentage surcharge plus interest on unpaid amounts, with more serious sanctions available for fraud. Voluntary correction before the commencement of an audit is generally treated more leniently than adjustments identified during an audit.

Because Timor-Leste's fiscal year and administrative calendar are calendar-year based across both corporate and personal taxation, taxpayers with foreign parent groups on a non-calendar financial year should maintain a separate local compliance calendar to avoid missing Timor-Leste-specific deadlines that do not align with group reporting dates.

9.1 Entity choice

Foreign investors typically operate through a locally incorporated limited liability company, a branch of a foreign company, or, for petroleum activity, a joint-venture contractor structure under a production-sharing contract with the government (or, for JPDA acreage, under the bespoke bilateral arrangement with Australia). A locally incorporated company is generally preferred outside the petroleum sector for its administrative familiarity and access to government procurement and investment-incentive programmes; a branch may suit shorter-term service or project engagements where local incorporation is not commercially warranted.

9.2 Structuring and incentives

Given the absence of group relief, consolidation and a developed participation exemption, groups with multiple Timor-Leste entities should plan intra-group financing, service charges and profit allocation carefully to avoid inefficient double taxation at the entity level. Investors pursuing approved priority projects should engage early with TradeInvest Timor-Leste to secure available import duty and profit tax concessions, and special economic zone status should be evaluated for qualifying activity in or connected to Oecusse. Petroleum contractors must integrate the SPT accumulated net receipts mechanism into project financial modelling from the outset, since it materially affects the timing and quantum of total government take over a project's life.

9.3 Worked effective-rate illustration

A Timor-Leste general-sector company (non-petroleum) earns EBITDA of USD 800,000, books depreciation of USD 100,000, and has no material interest expense. Taxable profit is 800,000 − 100,000 = USD 700,000. CIT at the flat 10% general rate is USD 70,000, an effective rate of 70,000 / 700,000 = 10.0% on taxable profit — reflecting the absence of a minimum tax, surtax or additional local income tax layer. By contrast, a petroleum sub-contractor earning the same USD 700,000 taxable profit would pay CIT at the flat 6% sub-contractor rate, i.e. USD 42,000 (effective rate 6.0%), while an oil and gas contractor earning the same profit would pay CIT at 30%, i.e. USD 210,000 (effective rate 30.0%), before any additional Supplemental Petroleum Tax that may apply once its accumulated net receipts turn positive — illustrating the wide dispersion of effective rates across sectors within the same jurisdiction.

9.4 Compliance

Expect monthly withholding and wage-tax remittances, an annual income tax return, and — for petroleum contractors — parallel reporting under production-sharing and taxation agreements in addition to the general Taxes and Duties Act framework. Recordkeeping should be maintained in US dollars given the dollarised economy, which simplifies currency-translation compliance relative to jurisdictions requiring functional-currency elections. Given the limited treaty network, cross-border groups should budget for gross domestic withholding on outbound payments rather than assuming treaty-reduced rates, and should monitor evolving administrative guidance as the tax authority continues to modernise filing and collection processes.