Deductions Income tax 98 Taxation 34 Expenses 30 Law and legislation 30 Charitable contributions 15 Tax credits 14 States 7 Gifts 6 Legislators 6 Retirement contributions 6 Charitable uses, trusts, and foundations 5 Finance 5 Property tax 5 Automobiles 4 Corporations 4 Income tax deductions for charitable contributions 4 Inheritance and transfer tax 4 Interest 4 Real property tax 4 Tax deductions 4 Bonds 3 Education 3 Losses 3 Older people 3 Registration and transfer 3 Securities 3 Tax return preparation industry 3 Asset allocation 2 Charities 2