If the federal tax lien has not been released within 30 days of satisfying your tax liability, you can request a. Certificate of Release of Federal Tax Lien.You can get in-person help at your local IRS Taxpayer Assistance Center. Call for an appointment after you find a Taxpayer Assistance Center near you. A federal tax lien is the government's legal claim against your property when you neglect or fail to pay a tax debt. The following includes detailed information to help you understand your specific notice. To begin, select the notice type you received from the list below. You will receive a letter explaining any adjustments the IRS made to your refund amount from the IRS. Locate the closest Taxpayer Assistance Center to you.