If you invoice or onboard Polish companies, sooner or later you have to check two dull things that turn out to matter a lot: is this company actually a registered VAT payer, and is the bank account they gave you the one that's on the government's official white list ("Biała Lista")? Both of thos...
Source: [Dev.to](https://dev.to/bartoszkuc/checking-polish-companies-from-code-vat-krs-regon-eu-vat-rest-python-mcp-2pkc)