Tax calculations
PIT-38, PIT-ZG, rates, methods.
Move from help to filing
If you already have your broker report or want to check pricing, jump straight to import, pricing, or the main Polish tax guide.
What is PIT-38?
PIT-38 form basics for investors
8 min readUpdated: January 15, 2026
PIT-38 PDF Export
How to preview and save the PIT-38 form as PDF
3 min readUpdated: February 23, 2026
What is PIT-ZG?
When is the PIT-ZG attachment required
7 min readUpdated: January 15, 2026
Tax rate 19%
How the Belka tax and the 19% rate work
4 min readUpdated: January 10, 2026
How is tax calculated?
Step-by-step tax calculation algorithm
6 min readUpdated: January 12, 2026
Currency conversion by NBP
Automatic conversion using NBP exchange rates
5 min readUpdated: January 10, 2026
Deductible costs
What can be deducted as a tax-deductible cost
5 min readUpdated: January 8, 2026
Loss carryforward from previous years
How to carry forward losses from previous years
6 min readUpdated: January 10, 2026
Foreign tax credit
Deducting tax paid abroad
7 min readUpdated: January 12, 2026
PIT-38 vs PIT-ZG
8 min readUpdated: January 25, 2026
What NBP exchange rate for foreign stocks? T+1 vs T+2 in PIT-38
Learn which NBP exchange rate to use for selling foreign stocks on NYSE, NASDAQ, and XETRA. We explain the difference between T+1 and T+2 settlement and how it affects your PIT-38 capital gains tax in Poland.
8 min readUpdated: March 23, 2026