Code of Federal Regulations Title 26. Internal Revenue § 300.1.Installment agreement fee

(1) For installment agreements entered into before January 1, 2017, the fee is $52 when the taxpayer pays by way of a direct debit from the taxpayer's bank account. The fee is $107 when the taxpayer pays by way of a direct debit from the taxpayer's bank account for installment agreements entered into on or after January 1, 2017;

(2) For online payment agreements entered into before January 1, 2017, the fee is $120, except that the fee is $52 when the taxpayer pays by way of a direct debit from the taxpayer's bank account. The fee is $149 for entering into online payment agreements on or after January 1, 2017, except that the fee is $31 when the taxpayer pays by way of a direct debit from the taxpayer's bank account; and

(3) Notwithstanding the type of installment agreement and method of payment, the fee is $43 if the taxpayer is a low-income taxpayer, that is, an individual who falls at or below 250 percent of the dollar criteria established by the poverty guidelines updated annually in the Federal Register by the U.S. Department of Health and Human Services under authority of section 673(2) of the Omnibus Budget Reconciliation Act of 1981 (95 Stat. 357, 511), or such other measure that is adopted by the Secretary, except that the fee is $31 when the taxpayer pays by way of a direct debit from the taxpayer's bank account with respect to online payment agreements entered into on or after January 1, 2017;