A tax deduction or a tax-deductible expense affects a taxpayer's income tax. A tax deduction represents an expense incurred by a taxpayer. They are variable amounts that you can ...
tax-deductible - definition of tax-deductible - An item or expense subtracted from adjusted gross income to reduce the amount of income subject to tax. Tax authorities specify the ...
United States. Donations are tax-deductible in the U.S. The Wikimedia Foundation Inc., a Florida not-for-profit corporation, is registered as a charitable organization with the ...