Subtitle A - INCOME TAXES
- Chapter 1 - NORMAL TAXES AND SURTAXES (§§ 1 — 1400Z-2)
- Chapter 2 - TAX ON SELF-EMPLOYMENT INCOME (§§ 1401 — 1403)
- Chapter 2A - UNEARNED INCOME MEDICARE CONTRIBUTION (§ 1411)
- Chapter 3 - WITHHOLDING OF TAX ON NONRESIDENT ALIENS AND FOREIGN CORPORATIONS (§§ 1441 — 1465)
- Chapter 4 - TAXES TO ENFORCE REPORTING ON CERTAIN FOREIGN ACCOUNTS (§§ 1471 — 1474)
- Chapter 5 - REPEALED (§§ 1491 — 1494)
- Chapter 6 - CONSOLIDATED RETURNS (§§ 1501 — 1564)