Income tax 1,024 Taxation 955 Tax administration and procedure 380 Tax returns 235 Law and legislation 118 Impôt 117 Officials and employees 114 more ... Income tax deductions 103 Impôts 95 Volunteer workers in income tax return preparation 90 Déclarations d'impôt 80 Withholding tax 69 Business enterprises 68 Small business 67 Pensions 63 Tax credits 61 Earned income tax credit 60 Periodicals 59 Impôt sur le revenu 56 Tax collection 56 Corporations 54 Tax exemption 53 Data processing 50 Electronic filing systems 47 Employees 47 Foreign income 47 Automation 43 Study and teaching 43 Déductions 42 Tax auditing 42 less ...