Taxation 1,519 Income tax 1,339 Tax returns 450 Tax administration and procedure 417 Law and legislation 171 Tax credits 139 Business enterprises 124 more ... Corporations 117 Withholding tax 116 Electronic filing of tax returns 113 Tax exemption 107 Trusts and trustees 97 Volunteer workers in income tax return preparation 92 Employee fringe benefits 83 Individual retirement accounts 80 Periodicals 73 Pensions 72 Earned income tax credit 70 Income tax deductions for losses 69 Inheritance and transfer tax 66 Foreign income 64 Income tax deductions 63 Noncitizens 62 Small business 62 Partnership 58 Impôts 55 Tax collection 55 Déclarations d'impôt 54 Payroll tax 50 Social security taxes 48 less ...