The leading desk reference for US personal income tax return preparation for professionals

In J.K. Lasser's Your Income Tax 2027, Professional Edition, a team of veteran tax preparers and educators delivers an intuitive and comprehensive roadmap to helping your clients prepare their 2026 US personal income tax returns. In the book, you'll learn how to maximize your clients’ deductions and credits, legally shelter their personal income, and minimize their tax bills. The authors have included sample 2026 tax forms, brand-new tax law authorities with citations, binding IRS rulings, filing pointers, and tax planning strategies you can implement immediately to better serve your clients.

Fully updated to reflect the changes to the 2026 tax code, this book provides the step-by-step instructions, worksheets, and forms you need to prepare your clients’ taxes ethically and effectively. You’ll also find:

• Discussions of what it's like to practice before the Internal Revenue Service as an Enrolled Agent
• Strategies for identifying the best approach to tax planning based on your client's financial situation
• Checklists and sample forms to make preparing your next return simple and straightforward

Perfect for practicing and training Certified Public Accountants and Enrolled Agents, J.K. Lasser's Your Income Tax 2027 is the gold standard desk reference for tax preparers serving individuals in the United States.