The Tax Identification Number in Poland consists of 10 digits (the first three are the Tax Office in Poland code and the last is the check digit). Every taxpayer in Poland must have its own NIP that is used to record payers and taxpayers.

EIN (Employer Identification Number) An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity. Generally, businesses need an EIN. You may apply for an EIN in various ways, and

As the withholding agent, you must generally request that the payee provide you with its U.S. taxpayer identification number (TIN). You must include the payee's TIN on forms, statements, and other tax documents. The payee's TIN may be any of the f