When you turn on Interest or Stocks, you’re investing in units in a fund. If you’re an Austrian tax resident, this means you may need to pay income tax and capital gains tax.
You may need to pay income tax on profit the fund makes that has not been distributed to investors. For Austrian tax purposes, this income is treated as if you’d received it.
Capital gains tax
Capital gains tax can become due when you dispose of units in the fund and you realise a gain. In other words, when you spend, send, convert, or move money to another account.
Filing a tax return
You’ll need to report your income from either Interest or Stocks in an annual tax return.
You can read more about how to submit your tax return to the Austrian Tax Office (“Finanzamt”) on the website of the Austrian Federal Ministry of Finance.
If you're a sole trader using Interest or Stocks passively, the guidance above also applies to you.