Installment Agreement (IA) is a tax debt relief program available for taxpayers who owe the IRS a tax liability. In an installment agreement, the taxpayer in debt agrees to make regular monthly payments, either by direct debit payment or payroll deduction, until the tax liability is paid off. There are several IA plans available, and there are certain criteria that a taxpayer must meet in order to qualify for a particular IA program. This SlideShare provides basic information on what an Installment Agreement is, what are the types of agreement that a taxpayer in debt may consider, and the criteria that need to be met in order to qualify for the program.