What is dividend investing?

Dividend investing means holding shares of companies (or funds) that regularly distribute part of their profits to shareholders in cash, rather than — or in addition to — relying on the share price going up. For a Polish investor, the appeal is straightforward: recurring cash income, often quarterly, without having to sell anything. The trade-off is that every payout is a taxable event the same year you receive it, not just when you eventually sell.

Belka tax: the 19% you owe on every payout

Poland taxes capital income — dividends included — at a flat 19% rate, commonly called "podatek Belki" after the finance minister who introduced it in 2002. Unlike some countries, there's no reduced rate for long-term holdings and no annual tax-free allowance for dividends: every złoty of gross dividend income is taxable at 19%, in the year it's paid.

Foreign dividends: withholding tax and double-taxation treaties

If you hold foreign stocks, the country where the company is based usually withholds its own tax before the dividend ever reaches you — for US stocks, the default rate is 30%. Poland has double-taxation treaties with most countries specifically to stop you from being taxed twice on the same income. In practice, the foreign tax already withheld is creditable against the 19% Belka tax you owe in Poland — but the credit is capped at the lowest of three numbers: the tax actually withheld abroad, the rate set by the tax treaty for that country, or the Polish tax due. That cap matters: it means the credit doesn't just cancel out an above-treaty withholding rate, and it never turns into a refund larger than what Poland itself would have charged.

The W-8BEN form: cutting US withholding from 30% to 15%

For US stocks specifically, filing a W-8BEN form with your broker (not with the Polish tax office) certifies your foreign tax residency and drops the default 30% US withholding down to the US-Poland treaty rate of 15%. Here's the part that catches people out: Poland only ever credits up to that 15% treaty rate, never the full amount actually withheld — so you owe roughly 4 percentage points to Poland (19% minus the 15% treaty-rate credit) either way, W-8BEN or not. What the form actually changes is how much disappears to the US: with it, 15% goes to the US and 4% to Poland, for the same 19% total you'd pay on a Polish dividend. Without it, 30% goes to the US and you still owe that same 4% to Poland on top — the extra 15 points overpaid to the US isn't creditable in Poland at all; getting it back means filing a refund claim directly with the US tax authorities, which most people never do.

How the PLN amount is actually calculated

Foreign dividends arrive in a foreign currency, but Belka tax is owed in PLN. Polish tax rules require converting foreign income using the National Bank of Poland's (NBP) average exchange rate from the last business day before the income was received — in practice, the day before the dividend's pay date. This is a fixed, non-negotiable reference point: two investors who received the exact same dividend on the exact same date owe the exact same PLN amount, regardless of which broker or bank they used.

Mistakes that actually cost people money

The most common one: assuming a foreign broker withholds and remits Polish tax automatically. It almost never does — foreign brokers withhold their own country's tax, not Poland's, and reporting the Belka tax on foreign dividend income to the Polish tax office is the investor's own responsibility, typically via the annual PIT-38 return. Others: not filing a W-8BEN and leaving 30% withheld on US dividends instead of 15%; not keeping a record of the ex-dividend date, pay date, gross amount, and applicable NBP rate for every single payout (needed to substantiate the calculation if ever asked); and forgetting that the treaty-rate cap means the foreign credit won't always fully offset a higher domestic withholding rate.

Filing: where this shows up on your tax return

For individuals, dividend income from abroad that hasn't already had Polish tax withheld at source is reported on the annual PIT-38 return, alongside the foreign tax credit calculated per payout. The deadline follows the standard annual filing deadline (30 April for the previous tax year).

Where odlicz.com fits in

This is exactly the bookkeeping odlicz.com automates: tracking each dividend's ex-dividend and pay dates, converting at the correct NBP rate, applying the treaty-rate cap on the foreign tax credit, and showing you the exact PLN amount to set aside — before you ever have to reconstruct it by hand at filing time.