Publication 334 (2019), Tax Guide for Small Business (For Individuals Who Use Schedule C) Publication 334 Catalog Number 11063P For use in preparing 2019 Returns *Revised as of Jan 30, 2020 This publication provides general information about the federal tax laws that apply to you if you are a self-employed person or a statutory employee. This publication has information on business income, expenses, and tax credits that may help you, as a small business owner, file your income tax return.. Notice: This form, instruction, or publication is being revised to reflect legislation enacted Jan 30, 2020. This is a printed Paperback version of the "Tax Guide for Small Business (For Individuals Who Use Schedule C), Publication 334". Full version, All Chapters included. The most current updates are available (Electronic version) in the official website of the United States IRS. This document is properly formatted and printed as a perfect sized copy 8.5x11" (Black print)". Disclaimer: Logos, images, texte, links or any other material in this publication does not constitute or imply its endorsement, recommendation, or favoring by the U.S. Department of the Treasury, Internal Revenue Service (IRS). The version of this printed publication is as described above (this publication is updated after each new edition).