A tax identification quantity (TIN), also called a taxpayer identification quantity, is a novel identifier utilized by tax authorities to determine taxpayers. For people, it’s sometimes a social safety quantity (SSN) or particular person taxpayer identification quantity (ITIN). For companies, it’s sometimes an employer identification quantity (EIN).
TINs are used to determine taxpayers and monitor their tax funds. They’re additionally used to confirm the id of taxpayers and to forestall fraud. The usage of TINs has change into more and more vital in recent times because the IRS has stepped up its efforts to fight tax fraud and id theft.