Will you be taxed twice on Indonesian income?

Indonesia has tax treaties with most countries foreign buyers come from. They allocate taxing rights between two countries. They do not make income invisible, and they are not automatic.

What a treaty actually does

A double tax agreement does three things.

It allocates taxing rights. For each type of income it says which country may tax, and sometimes caps the rate the source country may charge.

It provides relief from double taxation, usually by requiring the residence country to give a credit for tax paid in the source country, or in some cases to exempt the income.

It resolves dual residence through tie-breaker rules, where someone is resident in both countries under domestic law.

What it does not do is reduce your total tax to the lower of the two rates as a matter of course. Credit relief means you pay the higher of the two, split between them.

Property income specifically

Nearly every treaty follows the same principle for immovable property: income from it may be taxed in the country where the property is located.

For a Bali villa, that means Indonesia taxes first. Ten percent final for an Indonesian tax resident individual, twenty percent for a non-resident, on gross rental income.

Your country of residence then applies its own rules to the same income and gives credit for the Indonesian tax. Because Indonesia's rate is low by Australian, British and most European standards, the credit rarely covers the home liability, and the balance falls at home.

The same principle applies to gains on disposal of immovable property: the country where the property sits may tax them. Indonesia applies a final 2.5 percent on transfer value. Your home country applies its own capital gains rules with credit for that.

Which country you are resident in decides everything

This is the question underneath the treaty, and it is decided by domestic law first.

Indonesia: broadly, 183 days within a twelve month period, or presence with intent to reside.

Australia, UK, most of Europe: various tests combining days, permanent home, family, and economic interests.

If you are resident in both, the treaty tie-breaker applies in order: permanent home available to you, then centre of vital interests, then habitual abode, then nationality, then mutual agreement between the authorities.

Those are substantive tests. Keeping a house, a family and a business at home while spending time in Bali does not move your centre of vital interests, and people who assume it does end up taxed in both places rather than neither.

Relief is not automatic

Treaty benefits generally have to be claimed, with documentation.

In Indonesia, claiming a treaty rate typically requires a certificate of residence from your home tax authority in the form Indonesia accepts, provided before or at the time the income is paid. Without it, the domestic non-resident rate applies and recovering the difference afterwards is difficult.

At home, claiming a foreign tax credit requires evidence of the Indonesian tax actually paid.

Keep both. Owners who did not obtain a residence certificate at the right time routinely pay the higher rate and cannot recover it.

Where it gets technical

Pensions are treated differently between treaties, and government pensions differently from private ones. Do not assume.

Company structures. Income through a PT PMA is corporate income, and dividends out of it engage different treaty articles with their own rates.

Permanent establishment. Running a business in Indonesia can create a taxable presence beyond simple property income, which changes the analysis substantially.

Exit taxation. Several European jurisdictions tax unrealised gains on emigration, which is outside the treaty's normal operation.

The practical advice

Establish where you are actually resident, deliberately, before buying or before a disposal.

Obtain the residence certificate if you are claiming a treaty rate in Indonesia, in the required form and at the required time.

Take advice in both countries, not one. The interaction is where the money is, and an adviser who only sees one side will miss it.

Do not assume a treaty eliminates tax. It allocates it and prevents it being charged twice on the same income. You still pay, broadly at the higher of the two rates.