What this notice is about Call us to review your current financial situation. What you need to do Complete Form 433-A, Collection Information Statement for Wage Earners and Self-Employed IndividualsPDF, with your current income and expenses. Call us at 800-831-0273 with the information from Form 433-APDF. 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. You may want to Consider alternative ways to pay your tax liability that may not have been available to you at the time you first signed up for this installment agreement. Remember, the sooner you pay your tax liability in full, the less you will have to pay in penalties and interest. Frequently asked questions Why does the IRS review my financial situation periodically? To help us determine the correct payment for your installment agreement (IA). You agreed to this review, when we granted the IA for less than the minimum payment amount usually required. Why shouldn't I mail the Form 433-A back to you? We won’t receive it in time to prevent your IA from defaulting, which is 10 days from the date of the notice. What will happen if I don't call? We’ll place your IA into a defaulted status and you may receive a bill for the entire balance owed. If we re-establish an IA after default, you may owe an additional user fee for that service. 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.