What is a Corporate charitable deduction floor?
A corporate charitable deduction floor is the minimum taxable-income threshold a corporation must exceed before charitable contributions are deductible for the year. Under OBBBA Section 70426, most corporate charitable contributions are deductible only to the extent aggregate contributions exceed 1% of taxable income and do not exceed 10% of taxable income for taxable years beginning after December 31, 2025. Tax teams should coordinate giving calendars with C Corporation entity files and approved Late C Corporation elections planning, where entity classification affects return review.
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