Browse Taxation and Regulation (REG)

Chapter 15: Adjustments, Deductions, and Credits

In this section

  • Adjustments to Arrive at Adjusted Gross Income (Self-Employed Expenses, IRAs, HSAs)
    Learn how to reduce taxable income through common above-the-line adjustments, including self-employed expenses, traditional IRA deductions, and Health Savings Accounts (HSAs). Explore definitions, eligibility criteria, phaseouts, and real-world examples.
  • Itemized Deductions (Medical, Taxes, Interest, Charity, Casualty)
    Maximize tax benefits by understanding the thresholds, AGI limitations, SALT caps, and other special rules for itemized deductions, including medical expenses, taxes, interest, charitable contributions, and casualty losses.
  • Tax Credits (Refundable vs. Nonrefundable)
    Learn the differences between refundable and nonrefundable tax credits, including critical qualifications, calculations, and best practices for major credits such as the Child Tax Credit, Earned Income Tax Credit, and Education Credits.
  • Qualified Business Income Deduction (QBI)
    In-depth exploration of QBI deduction thresholds, specified service trades, W-2 wage limits, and UBIA factors for CPA exam success.
  • Filing Status and Estimated Tax Payments
    Discover how to choose the optimal filing status—including Head of Household, Single, or Married Filing Jointly—and learn about estimated tax safe harbors, payment schedules, and best practices for avoiding underpayment penalties.