The IRS will never; (1) Call to demand immediate payment over the telephone, (2) Call about taxes owed unless they have mailed you a bill, (3) Demand that you pay taxes without giving you the opportunity to question or appeal the amount they say you owe, (4) Require you to use a specific means of payment for your taxes such as a credit or debit card, (5) Ask for credit or debit card numbers over t