What this notice is about We computed the tax on your Form 1040 or 1040-SR 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 Tax PDF Publication 4134, Low Income Taxpayer Clinic List PDF Publication 4681, Canceled Debts, Foreclosures, Repossessions and Abandonments PDF 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 是否需要帮助？ 您可以授权他人（英文）代表您联系国税局。 查看一下您是否有资格获得低收入纳税人诊所的帮助（英文）。 倘若您在网上未能找到所需信息，请拨打通知或信函顶部的国税局电话号码。倘若您未收到信函或通知，请使用电话协助。 如果您不能自行解决罚款问题，请联系纳税人权益服务处，这是国税局内部的一个独立机构。
