What this notice is about We sent you this notice to confirm that you registered for an IRS online service. What you need to do If you didn't initiate this registration when accessing one of our online services, immediately call the number on your notice to disable your account. If you requested an activation code by mail, to complete your registration you must: Visit online services to activate your account. Sign in with the username and password you created. Enter your activation code from the notice you received. If you already completed your registration, no action is necessary. Frequently asked questions What happens if someone else used my personal information to register online at IRS? If you didn't initiate this registration, immediately call the number on your notice. Once we verify your identity, we'll disable your online account. Reference tools Publication 1, Your Rights as a Taxpayer 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。
