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Gross Income
What's Included?

Master the rules of IRC Section 61 and learn which items must be reported as gross income on a federal tax return.

CPA Regulation (REG)

What Is Gross Income?

Under IRC Section 61, gross income means all income from whatever source derived. This is intentionally broad: unless a specific Code section excludes an item, it is included in gross income.

The All-Inclusive Concept

ALL ECONOMIC BENEFITS RECEIVED GROSS INCOME Wages Interest Rents Royalties Dividends Business Income EXCLUSIONS Gifts, Life Ins. Muni Bond Int.

Why This Matters

CPA Exam
Gross income questions appear heavily on REG. You must know which items are included vs. excluded.
Tax Practice
Misclassifying income can lead to penalties, audits, and malpractice exposure for tax preparers.
Tax Planning
Understanding inclusions helps clients structure transactions to minimize tax legally.

IRC Section 61: The 15 Categories

Earned Income
Compensation for services (wages, salaries, tips, commissions, fringe benefits)
Investment Income
Interest, dividends, rents, royalties, capital gains, annuities
Business Income
Gross profits from trade or business, partnerships, S corps, farm income
Other Income
Alimony (pre-2019), discharge of debt, gambling winnings, illegal income, treasure trove

The Gross Income Formula

All Income From Whatever Source Derived − Exclusions Specifically Authorized by IRC = Gross Income Reported on Tax Return

Included vs. Excluded

Included in Gross Income Excluded from Gross Income
Interest Taxable bond interest Municipal bond interest
Insurance Disability (employer-paid) Life insurance proceeds
Transfers Alimony (pre-2019 divorce) Gifts and inheritances
Employer Bonuses, commissions Employer health premiums
Debt Cancellation of debt income Bankruptcy COD exclusion

Commonly Tested Inclusions

1
Wages, salaries, tips: All compensation for personal services, regardless of form.
2
Interest income: Bank interest, corporate bond interest, and U.S. Treasury interest (not state-exempt muni bonds).
3
Dividend income: Both ordinary and qualified dividends are gross income.
4
Cancellation of debt: If a creditor forgives a debt, the forgiven amount is generally income.
5
Gambling winnings: Always included; losses deductible only to the extent of winnings.

Tricky Inclusions to Know

Illegal Income
Income from illegal activities (embezzlement, drug dealing) is taxable. The source of income doesn't determine taxability.
Treasure Trove
Finding cash or property (e.g., hidden money in a used sofa) is gross income in the year you take possession.
Bartering
Fair market value of goods or services received in exchange for your goods or services must be included.

How to Apply the Rules

1
Identify the economic benefit: Did the taxpayer receive cash, property, services, or debt forgiveness?
2
Assume it is income: Under IRC Section 61, all income from whatever source derived is gross income.
3
Check for a specific exclusion: Is there a Code section (e.g., Section 101 for life insurance, Section 102 for gifts) that excludes this item?
4
No exclusion? It's included. Report the full fair market value as gross income.

Example 1: Employee Compensation

Alex earns the following in 2024: salary of $85,000, a year-end bonus of $5,000, and his employer pays $12,000 for his health insurance premiums.

Salary $85,000 + Bonus $5,000 + Health Insurance $12,000 EXCLUDED (Sec. 106) Gross Income = $90,000

Example 2: Mixed Income Sources

Maria receives: wages of $60,000, municipal bond interest of $3,000, a gift from her grandmother of $10,000, and rental income of $8,000.

✓
Wages: $60,000: Compensation for services is always included.
✕
Municipal bond interest: $3,000: Excluded under IRC Section 103.
✕
Gift: $10,000: Excluded under IRC Section 102 (gifts and inheritances).
✓
Rental income: $8,000: Specifically listed in Section 61 as gross income.

Example 3: Debt Forgiveness

Carlos owed $25,000 on a credit card. The credit card company agreed to settle the debt for $15,000. Carlos was not insolvent or in bankruptcy at the time.

Original Debt $25,000 − Amount Paid $15,000 = COD Income $10,000

Alimony: The 2019 Cutoff

Pre-2019 Divorce Post-2018 Divorce
Payor Deductible Not deductible
Recipient Included in gross income Not included
Child Support Never included Never included

Common Mistakes

✕ Excluding Gambling Wins
All gambling winnings are gross income, even if you had net losses overall. Losses offset only up to winnings.
✕ Forgetting COD Income
Debt forgiveness is income unless a specific exception (insolvency, bankruptcy, qualified farm debt) applies.
✕ Confusing Gifts with Tips
Tips from customers are compensation, not gifts. True gifts require detached generosity with no obligation.

Summary: Included vs. Excluded

Income Item Included? IRC Section
Wages, salaries, tips Yes Section 61(a)(1)
Interest (corporate bonds) Yes Section 61(a)(4)
Municipal bond interest No Section 103
Gifts and inheritances No Section 102
Life insurance proceeds No Section 101
Cancellation of debt Yes* Section 61(a)(11)
Employer health premiums No Section 106
Alimony (pre-2019) Yes Section 71 (repealed)

Question 1 of 5

A taxpayer receives $50,000 in wages, $2,000 in municipal bond interest, and $500 in bank savings account interest. What is the taxpayer's gross income?

Question 2 of 5

Which of the following is included in a taxpayer's gross income?

Question 3 of 5

A taxpayer owed $30,000 on a personal loan. The lender agreed to accept $18,000 as full payment. The taxpayer was solvent at the time. How much cancellation of debt income must the taxpayer report?

Question 4 of 5

Under a 2020 divorce agreement, Taylor receives $24,000 per year in alimony from an ex-spouse. How much of this alimony must Taylor include in gross income?

Question 5 of 5

A plumber fixes a dentist's pipes in exchange for $800 worth of dental work. The plumber normally charges $800 for the same plumbing job. How much gross income does the plumber report from this transaction?