• Chapter 31 [§ 4001 - § 4053] - RETAIL EXCISE TAXES

• Chapter 32 [§ 4061 - § 4227] - MANUFACTURERS EXCISE TAXES

• Chapter 33 [§ 4231 - § 4295] - FACILITIES AND SERVICES

• Chapter 34 [§ 4371 - § 4377] - TAXES ON CERTAIN INSURANCE POLICIES

• Chapter 35 [§ 4401 - § 4424] - TAXES ON WAGERING

• Chapter 36 [§ 4461 - § 4498] - CERTAIN OTHER EXCISE TAXES

• Chapter 37 [§ 4501 - § 4501] - REPURCHASE OF CORPORATE STOCK

• Chapter 38 [§ 4611 - § 4682] - ENVIRONMENTAL TAXES

• Chapter 39 [§ 4701 - § 4701] - REGISTRATION-REQUIRED OBLIGATIONS

• Chapter 40 [§ 4901 - § 4907] - GENERAL PROVISIONS RELATING TO OCCUPATIONAL TAXES

• Chapter 41 [§ 4911 - § 4912] - PUBLIC CHARITIES

• Chapter 42 [§ 4940 - § 4968] - PRIVATE FOUNDATIONS; AND CERTAIN OTHER TAX-EXEMPT ORGANIZATIONS

• Chapter 43 [§ 4971 - § 4980I] - QUALIFIED PENSION, ETC., PLANS

• Chapter 44 [§ 4981 - § 4982] - QUALIFIED INVESTMENT ENTITIES

• Chapter 45 [§ 4985 - § 4985] - PROVISIONS RELATING TO EXPATRIATED ENTITIES

• Chapter 46 [§ 4999 - § 4999] - GOLDEN PARACHUTE PAYMENTS

• Chapter 47 [§ 5000 - § 5000] - CERTAIN GROUP HEALTH PLANS

• Chapter 48 [§ 5000A - § 5000A] - MAINTENANCE OF MINIMUM ESSENTIAL COVERAGE

• Chapter 49 [§ 5000B - § 5000B] - COSMETIC SERVICES

• Chapter 50 [§ 5000C - § 5000C] - FOREIGN PROCUREMENT

• Chapter 50A [§ 5000D - § 5000D] - DESIGNATED DRUGS