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17 Free Tax Law Books [PDF]

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Tax law books explain who pays taxes, how much, and when. This free collection in PDF covers taxation from first principles to income tax, corporate tax and international tax treaties.

You'll find a law school casebook next to official manuals from the IRS, the IMF and the United Nations. They're ideal for law students, accountants and anyone who has to read the Internal Revenue Code without getting lost.

Pick a section below and start with the book that matches your question. Every title is free to read online or download.

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General Tax Law Books

Start here if you want the big picture of tax law. These books explain how a tax system is written, how tax administration and procedure work, and how tax policy shapes the economy.

  • Tax Laws: Direct and Indirect Taxes

    A complete study manual on direct and indirect taxation, from income tax computation to GST, with worked examples and practice questions after every lesson. Ideal for building a solid base in how a full tax system is legislated and applied.

    Institute of Company Secretaries of India

    Format: PDF 825 pages 12.01 MB
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  • Taxation and the Financial Crisis

    Leading tax economists and lawyers examine how tax rules on debt, banks and housing helped fuel the 2008 crisis and what tax policy should change. A rigorous look at the link between tax law design and financial stability.

    Julian S. Alworth and Giampaolo Arachi

    Format: PDF 321 pages 2.59 MB
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  • Law of Tax Administration and Procedure

    A chapter from the International Monetary Fund manual Tax Law Design and Drafting that explains how tax administration law works: assessment, collection, audits, penalties and taxpayer rights. A clear introduction to tax procedure written for lawmakers and advisers.

    Richard K. Gordon

    Format: PDF 38 pages 0.53 MB
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  • Cambodia Law on Taxation

    The full English text of the Cambodian Law on Taxation, covering profit tax, withholding taxes, VAT and tax administration. Useful as a real example of how a national tax code is structured, article by article.

    Kingdom of Cambodia

    Format: PDF 54 pages 0.17 MB
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Income Tax Law Books

Income tax is where most tax law courses begin. These books walk you through gross income, deductions and credits, starting with a law school casebook built on the Internal Revenue Code.

  • Basic Income Tax

    A law school casebook on U.S. federal income tax that works through gross income, deductions, timing and capital gains using the Internal Revenue Code, regulations and leading cases. Each chapter ends with problems to test what you learned.

    William P. Kratzke

    Format: PDF 583 pages 3.53 MB
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  • Your Federal Income Tax: IRS Publication 17

    The official IRS guide to individual income tax for 2025 returns, covering filing status, income, adjustments, standard and itemized deductions and credits. The most practical companion to any income tax textbook.

    Internal Revenue Service

    Format: PDF 142 pages 2.95 MB
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  • Saudi Arabia Income Tax Law

    The English text of the Saudi Income Tax Law, from definitions and taxable persons to deductions, withholding and penalties. A compact reference for anyone working with business income in the Kingdom.

    Kingdom of Saudi Arabia

    Format: PDF 40 pages 0.22 MB
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Corporate Tax Books

These corporate tax books show how companies are taxed, from C corporations to partnerships and small businesses. The official IRS guides are short and practical, ideal if you run a business or advise one.

  • Corporations: IRS Publication 542

    The official IRS overview of how C corporations are taxed: formation, filing requirements, income and deductions, dividends and the corporate tax rate. A concise starting point for corporate tax.

    Internal Revenue Service

    Format: PDF 28 pages 1.21 MB
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  • Partnerships: IRS Publication 541

    The official IRS guide to partnership taxation, from forming a partnership and partner contributions to distributions, basis and the sale of a partnership interest.

    Internal Revenue Service

    Format: PDF 34 pages 1.34 MB
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  • Tax Guide for Small Business: IRS Publication 334

    The IRS guide for sole proprietors and small business owners who file Schedule C, covering business income, deductible expenses, depreciation and self-employment tax for 2025 returns.

    Internal Revenue Service

    Format: PDF 58 pages 2.58 MB
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  • Qatar Tax Law and Regulations

    A KPMG edition of the Qatar Income Tax Law and its Executive Regulations, the rules that govern how companies and business income are taxed there. Clearly laid out with a detailed table of contents for quick lookups.

    KPMG

    Format: PDF 56 pages 2.89 MB
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International Tax Law Books

What happens to taxes when income crosses borders? These international tax law books, most of them from the United Nations, cover double taxation treaties, transfer pricing and the taxation of nonresidents.

Fiscal Law Books

Fiscal law is the other side of the coin: the rules on how the U.S. government can spend the money it collects. These references, including the Army deskbook and the GAO Red Book, are the ones federal lawyers use every day.

  • 2026 Fiscal Law Deskbook

    The 2026 edition of the Army JAG School deskbook on federal fiscal law: purpose, time and amount, the Antideficiency Act, obligations, construction and operational funding. The standard reference used by government lawyers.

    Contract and Fiscal Law Department, The Judge Advocate General's Legal Center and School, U.S. Army

    Format: PDF 565 pages 6.57 MB
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  • Principles of Federal Appropriations Law: Chapter 1, Introduction

    The opening chapter of the GAO Red Book, fourth edition, explaining the congressional power of the purse, appropriations terminology and how GAO decisions shape fiscal law. The best entry point to the field's leading treatise.

    U.S. Government Accountability Office

    Format: PDF 79 pages 0.47 MB
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  • Fiscal Law Overview

    An outline of federal fiscal law prepared for Department of Defense ethics counselors: purpose, time and amount limits, the Antideficiency Act and common funding pitfalls. A quick refresher before diving into the full deskbook.

    Department of Defense Standards of Conduct Office

    Format: PDF 75 pages 0.28 MB
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From the basics of taxation to cross-border treaties and federal spending rules, these tax law books give you a solid base to keep learning. Save the ones you need and come back when a new question comes up.

Looking for other areas of law? Browse all our free law books in PDF.

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