The Internal Revenue Service (IRS) is a U.S. government agency responsible for the collection of taxes and enforcement of tax laws. Browse Investopedia's library to learn more.

IRS Publication 552
IRS Publication 552
Woman doing taxes at computer
IRS Publication 15: Employer's Tax Guide: Overview
Publication 972: Child Taxไ Credit:🐟 What It Is, How It Works
Tax Time
Irs Publication 550: What It Is, How It Works
Income Tax Refund Check on Tax Forms
6 Reasons Why the IRS Can Seize Your Tax Refund
IRS Publication 516
IRS Publication 516
IRS Publication 1244
IRS Publication 1244: Employee's Daily Record of Tips and Report to Employer
Federal Income Tax: A progressive tax applied by the government on the annual earnings of individuals, corporations, trusts, and other legal entities to fund programs and services.
Federal Income Tax
IRS Publication 531
IRS Publication 531
IRS Publication 509
IRS Publication 509: Tax Calendars
IRS Publication 908
IRS Publication 908
How the IRS Works: Functions and Audits
IRS Publication 551: A document informing taxpayers how to obtain the cost basis of an asset or investment.
IRS Publication 551: Basis of Assets: Overview
IRS Publication 5: A document outlining the procedure taxpayers are to follow if they disagree with IRS findings from an audit.
IRS Publication 5