This might come in handy:

here You can find, among other things, account numbers and addresses of tax offices in Zachodniopomorskie district;

it’s an information system related to procedures applied by Polish tax administration;

here You can find information about, among other things, taxes, customs service, public finances;

here You can find forms, the latest version of “Płatnik” program, up-to-date rates;

here You can find information about financing when employing a disabled person.