Income tax 240 Law and legislation 106 Taxation 76 Corporations 19 Accounting 13 Foreign income 11 Cases 8 Income tax deductions 7 Tax planning 7 Income 6 Inheritance and transfer tax 6 Negative income tax 6 Tax evasion 6 Agriculture 5 Progressive taxation 5 Wages 5 Business tax 4 Gifts 4 Popular works 4 Tax administration and procedure 4 Tax incentives 4 Capital gains tax 3 Capital levy 3 Congresses 3 Financial statements 3 History 3 Income distribution 3 Income tax deductions for charitable contributions 3 Inflation (Finance) 3 Investments 3