What this letter is about We received your payment; however, there’s still an outstanding balance. What you need to do Pay the balance due to the address on the letter within 10 days from the date of the letter. If you’ve already paid the balance, call the telephone number listed on the letter. If you can’t pay the full amount, call us to make a payment arrangement. If you think you don’t owe additional tax, call the telephone number listed on the letter. Tax publications you may find useful Publication 594, The IRS Collection ProcessPDF Reference Tools Publication 1, Your Rights as a Taxpayer Full list of tax forms and instructions Need help? You can authorize someone to contact the IRS on your behalf. See if you qualify for help from a Low Income Taxpayer Clinic. If you can’t find what you need online, call the IRS number at the top of your notice or letter. If you didn’t receive a letter or notice, use telephone assistance. If you can't resolve the penalty on your own, contact Taxpayer Advocate Service, an independent organization within IRS.