What this notice is about This notice tells you that all or part of the overpayment on a return you filed was applied to other federal taxes you owe. What you need to do Read your notice carefully. It will explain why we couldn't apply the amount you requested to next year's taxes. It also will suggest additional steps for you to take, depending on your situation. If you requested the overpayment in question to be applied to another tax period, you will need to make an additional payment for that tax period. You may want to Retain the notice for your records. Review your records for the overpaid tax period and the tax period(s) to which it was applied. Frequently asked questions How can I find out what caused my overpayment to be reapplied? Please contact us at the number listed on your notice for specific information concerning your tax return. What should I do if I disagree with the changes you made? If you disagree, contact us at the toll-free number listed on the top right corner of your notice. Reference Tools Publication 1, Your Rights as a Taxpayer Publication 17, Your Federal Income Tax Full list of tax forms and instructions Cần Trợ Giúp? Quý vị có thể ủy quyền cho ai đó (tiếng Anh) thay mặt quý vị liên lạc với IRS. Xem liệu quý vị có đủ điều kiện để nhận được sự trợ giúp từ Trung Tâm Cho Người Đóng Thuế Có Thu Nhập Thấp (tiếng Anh). Nếu quý vị không thể tìm thấy những gì quý vị cần trực tuyến, hãy gọi cho IRS theo số ở đầu thông báo hoặc thư gửi cho quý vị.