What this notice is about We computed the tax on your Form 1040, 1040-A or 1040-EZ return. Your account balance is zero. What you need to do Read your notice carefully. It will explain how we calculated your tax return. You don't need to do anything if you agree with our calculations. Contact us if you disagree with the amount of tax we computed. Frequently asked questions What should I do if I disagree with the notice? Call us at the toll-free number on the top right corner of your notice. Please have your paperwork (such as cancelled checks, amended return, etc.) ready when you call. Helpful information Publication 505, Tax Withholding and Estimated TaxPDF Publication 4134, Low Income Taxpayer Clinic ListPDF Publication 4681, Canceled Debts, Foreclosures, Repossessions and AbandonmentsPDF Tips for next time you file Consider filing your taxes electronically. Filing online can help you avoid mistakes and find credits and deductions that you may qualify for. In many cases you can file for free. Learn more about e-file. 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 Sở Thuế Vụ. Xem liệu quý vị có đủ điều kiện để nhận được sự trợ giúp từ Chương Trình Nơi Tiếp Trợ Người Đóng Thuế Có Lợi Tức Thấp (tiếng Anh). Nếu quý vị không thể tìm thấy những gì quý vị cần trực tuyến, hãy gọi cho Sở Thuế Vụ theo số ở đầu thông báo hoặc thư gửi cho quý vị.