The first notice you receive will be a letter that explains the balance due and demands payment in full. You can submit a payoff request online.This is the quickest way to process a payoff request. Your first clue will be a letter from the IRS informing you of the amount due. In order to request subordination of a tax lien, the taxpayer must complete IRS Form 14134, Application for Certificate of Subordination of Federal Tax Lien. Federal Tax Lien for filing in the same recording office where the notice of lien was filed. Requesting a Payoff. An IRS lien is bad news. If you have been slapped with a lien against your property, know your options for getting out from under it. Equal Housing Opportunity.