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Updated 52 days ago
Top tools
Which Bank Is This IBAN?
Paste any IBAN to identify the bank, branch, and BIC/SWIFT code.
REGON Number Checker
Check any 9-digit or 14-digit Polish REGON number with automatic format detection and checksum verification.
PESEL Number Checker
Enter a PESEL number to extract the birth date, gender, and verify the check digit. Works as both a PESEL checker and validator.
Top articles
How to Block Your PESEL Number in Poland
Step-by-step guide to blocking your PESEL number via mObywatel, your bank, or in person. Learn what zastrzeżenie PESEL protects and how to reverse it.
7 min readHow to Pay Tax on Rental Income in Poland
Step-by-step guide to paying tax on rental income in Poland: ryczałt rates, registration, monthly payments via mikrorachunek, and PIT-28 filing.
10 min readWhen Do You Have to Give Your PESEL in Poland? Your Rights Under RODO
Learn when you're legally required to share your PESEL number in Poland and when you can refuse under RODO (GDPR). A foreigner's guide to data protection.
8 min readLet's build Poland.gg together
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