Income tax 82 Law and legislation 82 Taxation 41 Double taxation 22 Treaties 17 Tax administration and procedure 7 Tax evasion 5 more ... Small business 4 Alternative minimum tax 3 Foreign income 3 Income tax -- Law and legislation -- United States 3 Tax credits 3 Tax returns 3 Accounting 2 Corporations 2 Economic policy 2 Families 2 Finance 2 Income tax deductions 2 Noncitizens 2 Prevention 2 Tax exemption 2 Taxation -- Law and legislation -- United States 2 Taxation, State 2 World War, 1914-1918 2 Aliens -- Taxation -- Law and legislation -- United States 1 Armed Forces 1 Budget deficits 1 Business enterprises 1 Capital gains tax 1 less ...