Represents payments reflecting the sum of "total income tax" (see footnote 31), tax recapture of certain prior-year tax credits, tax applicable to Individual Retirement Arrangements (IRAs), and Social Security taxes on "self-employment income" and on certain employee tip income, as well as on other income-related taxes applicable to the years shown (see Statistics of Income-Individual Income Tax Returns). The total also includes the following not shown separately below in Table 1: "advance earned income credit payments" and credits for (a) capital gain tax paid by a Regulated Investment Company, but considered paid by shareholders, and (b) part of the purchase price of a diesel-powered highway vehicle.
For additional information about the return filing requirements, see the annual reports, Statistics of Income-Individual Income Tax Returns at https://www.irs.gov/uac/soi-tax-stats-historical-data-tables.
U.S. Department of the Treasury. Internal Revenue Service, Individual Income Tax Filing: Tax Payments, Total [TXPMTTL], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/TXPMTTL, November 15, 2018.