Meaning, Role, History and Effects of Income Taxation; Basic Structure of the Internal Revenue Code; What is Income?; Gain; Inclusion in Gross Income; Return of Capital; Realization; Imputed Income; Illegal Income; Exclusions; Gifts; Life Insurance; Annuities; Municipal Bond Interest; Meals and Lodging; What is Deductible?; Business and Investment Expenses; Capital Expenditures; Depreciation; Interest; Losses; Bad Debts; Charitable Contributions; Medical Expenses; Credits; When is Income Taxable?; Annual Accounting, Cash and Accrual Methods; Non-Recognition; Time Value of Money; Who is Taxable?; Gifts; Property Divisions; Alimony; Trusts; How is Income Taxable?; Capital Gains and Losses; Sale of Exchange; Depreciation Recapture; Alternative Minimum Taxes.