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IRS publications
Use the IRS publications library for official explanations, examples, and tax-topic guides.
Browse the official library or search for a publication by topic or number.
Browse official explanations, examples, and tax-topic guides from the IRS.
Anyone researching a federal tax question before filing or meeting with a CPA.
Your Federal Income Tax: the broad starting guide for individual filers.
Understand broad federal income-tax rules and common individual filing situations.
Individual filers and families who want a general federal tax reference.
Tax Guide for Small Business for individuals who use Schedule C.
Review federal tax basics for income, expenses, and filing as a small business owner.
Sole proprietors and other individuals reporting business activity on Schedule C.
Search the IRS catalog by product number, title, or revision date.
Locate a specific IRS publication, form, or instruction set.
Taxpayers and preparers who know a form number, topic, or document title.