Or if you received an IRS CP522 Notice - https://www.irs.gov/individuals/understanding-your-cp522-notice
What you need to do
- Complete the enclosed Form 433-F, Collection Information StatementPDF, with your current income and expenses.
- Call us at 800-831-0273 with the information from Form 433-DPDF. Do not mail the form to us. You must call us within 10 days from the date of your notice. Otherwise, your installment agreement will default and we’ll bill you for the full amount of tax you owe.
