Part III. TAXATION OF BUSINESS INCOME OF CERTAIN EXEMPT ORGANIZATIONS

• § 511 - Imposition of tax on unrelated business income of charitable, etc., organizations
• § 512 - Unrelated business taxable income
• § 513 - Unrelated trade or business
• § 514 - Unrelated debt-financed income
• § 515 - Taxes of foreign countries and possessions of the United States