• Subtitle A—Income Taxes
• Subtitle B—Estate and Gift Taxes
• Subtitle C—Employment Taxes
• Subtitle D—Miscellaneous Excise Taxes
• Subtitle E—Alcohol, Tobacco, and Certain Other Excise Taxes
• Subtitle F—Procedure and Administration
• Subtitle G—The Joint Committee on Taxation
• Subtitle H—Financing of Presidential Election Campaigns
• Subtitle I—Trust Fund Code
• Subtitle J—Coal Industry Health Benefits
• Subtitle K—Group Health Plan Requirements