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| English | Polish |
| employer identification number | numer REGON (In the United States, a 9-digit number that identifies a business entity to the government. A business must have an EIN if it has employees or meets other criteria specified by the federal government) |
| federal tax identification number | numer NIP (In the United States, a 9-digit number that identifies a business entity to the government. A business must have an EIN if it has employees or meets other criteria specified by the federal government) |
| global trade identification number | globalny numer jednostki handlowej (A 14-digit data structure used to uniquely identify trade items, products, and services at a unit level) |
| personal identification number | osobisty numer identyfikacyjny (A unique and secret identification code similar to a password that is assigned to an authorized user and used to gain access to personal information or assets via an electronic device) |
| taxpayer identification number | numer identyfikacji podatkowej (A 9-digit number used to identify an entity (company or person) for tax reporting purposes in the U.S. There are several different types of tax identification numbers, such as employer identification number (EIN), Social Security number (SSN), individual taxpayer identification number (ITIN), and adopted taxpayer identification number (ATIN)) |