What this letter is about We show you have past due taxes and we’ve been unable to reach you. Call us immediately. What you need to do Contact this office by phone or mail. You may want to Request an appeal to the proposed levy action by following the instructions on the letter. Frequently asked questions Why did I receive this letter? We were unable to reach you by telephone. How much time do I have to respond? To avoid enforcement action, contact us within 10 days from the date on the letter. Tax publications you may find useful Publication 594, The IRS Collection Process Reference Tools Publication 1, Your Rights as a Taxpayer Full list of tax forms and instructions 도움이 필요하다면 귀하를 대신하여 IRS와 연락하도록 누군가에게 권한을 부여할 수 있습니다.(영어). 저소득 납세자 클리닉(LITC)(영어)으로부터 도움을 받을 수 있는지 알아보세요. 온라인에서 필요한 것을 찾을 수 없다면, 안내서 및 서신의 상단에 IRS 번호로 전화하세요.