Charitable donations are not a business expense under federal tax law. Section 162 of the Internal Revenue Code covers ordinary and necessary business expenses, Section 170 covers charitable contributions, and the statute explicitly blocks anyone from deducting a gift to charity as a business expense. Writing the check from a business account does not change that. There is one meaningful exception: when a payment to a nonprofit is really buying something with a business purpose, such as advertising, it can qualify under Section 162 instead. The distinction controls your deduction limit, which form you file, and how much scrutiny the return will draw.
The Statutory Line Between the Two Categories
Section 162(b) states that no business-expense deduction is allowed for any contribution or gift that would qualify as a charitable deduction under Section 170.1Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses Treasury Regulation 1.162-1 reinforces this by defining business expenses to exclude items used as the basis for a deduction under any provision other than Section 162.2eCFR. 26 CFR 1.162-1 – Business Expenses
The reason for the wall is simple. Ordinary business expenses face no percentage-of-income cap. Charitable contributions do. If businesses could label their giving as advertising or promotion by default, the caps would collapse.
When a Payment to a Nonprofit Counts as a Business Expense
Not every dollar that flows to a charity is a gift. If your company pays a nonprofit for something that primarily serves a business purpose, and you expect a concrete business benefit back, the payment can be an ordinary business expense. Advertising is the standard example. Paying for a banner ad in an event program, with language promoting your products, is buying ad space.
The IRS separates true advertising from mere sponsorship acknowledgment under Section 513(i). A “qualified sponsorship payment” is one where the sponsor gets no substantial return benefit other than acknowledgment of its name, logo, or product lines. Displaying a logo at an event, listing a phone number, or using a slogan without comparative or qualitative descriptions all count as acknowledgment.3Internal Revenue Service. Advertising or Qualified Sponsorship Payments The moment the message adds “best in the industry,” pricing, or a call to purchase, it becomes advertising. A single mixed message is treated entirely as advertising.
So a bakery that donates bread and gets a “Thank you, Smith’s Bakery” sign has made a charitable contribution. A bakery whose sign reads “Smith’s Bakery — Voted Best Bread in Town, Order at SmithsBakery.com” has bought advertising. The framing of what you receive back drives the tax treatment, not the recipient’s nonprofit status.
One other pocket matters here. Payments to 501(c)(4) social welfare groups, lobbying organizations, and political groups generally are not deductible as charitable contributions. The IRS notes those payments may be deductible as business expenses if they meet the ordinary-and-necessary standard under Section 162, but that requires a genuine business connection, not goodwill toward the cause.4Internal Revenue Service. Donations to Section 501(c)(4) Organizations
Where the Deduction Actually Goes
If a payment is charitable rather than a business expense, your entity type decides where it lands.
C-Corporations
C-corporations deduct charitable contributions directly on Form 1120 under Section 170. The deduction reduces taxable income at the entity level.5Office of the Law Revision Counsel. 26 USC 170 – Charitable, Etc., Contributions and Gifts Shareholders do not report it.
Pass-Through Entities
Sole proprietorships, partnerships, S-corporations, and LLCs taxed as partnerships do not deduct charitable contributions on the business return. The donation passes through to owners, who report their share on their personal return. Historically that meant itemizing on Schedule A, and if total itemized deductions came in under the standard deduction, the charitable gift produced no tax benefit at all.
p>Starting with tax year 2026, taxpayers who take the standard deduction can also deduct up to $1,000 in cash charitable contributions ($2,000 for joint filers) under Section 170(p).6Internal Revenue Service. Topic No. 506, Charitable Contributions This applies only to cash gifts to qualifying organizations, not property or inventory. For reference, the 2026 standard deduction is $16,100 for single filers, $32,200 for joint filers, and $24,150 for heads of household.7Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026, Including Amendments From the One, Big, Beautiful Bill
The Percentage Caps on Charitable Deductions
Both individual and corporate charitable deductions are capped, and the caps are the main reason the code refuses to let anyone reclassify gifts as business expenses.
Individuals (Pass-Through Owners Who Itemize)
Cash contributions to most public charities are deductible up to 60% of adjusted gross income. Appreciated property held longer than one year is limited to 30% of AGI. Contributions to certain private foundations, veterans organizations, and fraternal societies face a 30% limit, and some gifts of capital gain property to private foundations are capped at 20%.8Internal Revenue Service. Charitable Contribution Deductions Excess contributions carry forward for up to five years.
C-Corporations
For tax years beginning after 2025, C-corporations face both a floor and a ceiling. Only contributions above 1% of taxable income are deductible, and the total deduction cannot exceed 10% of taxable income.5Office of the Law Revision Counsel. 26 USC 170 – Charitable, Etc., Contributions and Gifts The 1% floor is new. A corporation with $1 million in taxable income gets no deduction for its first $10,000 of giving and can deduct up to $100,000. Excess above the 10% ceiling carries forward five years on a first-in, first-out basis.
Confirm the Recipient Qualifies
A payment is deductible as a charitable contribution only if the recipient holds the right tax-exempt status. Most qualifying groups are recognized under Section 501(c)(3), which covers religious, educational, scientific, and charitable organizations. Government entities qualify when funds serve a public purpose. Veterans organizations, volunteer fire companies, and certain fraternal societies can also receive deductible contributions.
Verify status through the IRS Tax Exempt Organization Search, which shows current exemption and deductibility codes indicating which percentage limits apply.9Internal Revenue Service. Tax Exempt Organization Search Organizations lose exempt status from time to time, and donating after revocation costs you the deduction.
Some categories never qualify as charitable, even when the cause feels charitable. Gifts to individuals, most foreign organizations, and political campaigns are not deductible.
Documentation the IRS Will Require
Missing paperwork is where deductions get denied. The requirements scale with the size of the gift.
For cash gifts under $250, keep a bank statement, canceled check, or receipt showing the organization’s name, date, and amount.
For any single contribution of $250 or more, get a contemporaneous written acknowledgment from the charity before you file. It must state the cash amount (or describe any property), and it must say whether the organization gave you goods or services in return.10Internal Revenue Service. Substantiating Charitable Contributions If you received something back, the receipt has to describe those benefits and provide a good-faith estimate of their value, and your deduction is reduced accordingly.11Internal Revenue Service. Charitable Contributions – Written Acknowledgments Without this document, the entire deduction can be denied on audit even when the gift actually happened.
Noncash contributions above $500 require Form 8283 with the return. Partnerships and S-corporations file Form 8283 with Form 1065 or 1120-S when noncash gifts exceed $500. C-corporations (other than personal service or closely held corporations) file it only when the claimed deduction exceeds $5,000 per item or group of similar items.12IRS. Instructions for Form 8283 (Rev. December 2025)
When donated property other than cash or publicly traded securities is worth more than $5,000, you need a qualified appraisal from a qualified appraiser, and the charity itself cannot serve as the appraiser. The appraiser signs Section B of Form 8283.13Internal Revenue Service. Charitable Organizations – Substantiating Noncash Contributions Skipping the appraisal, or using one who does not qualify, voids the deduction.
Penalties for Overvaluing What You Donated
Inflating a donated item’s value carries penalties beyond losing the deduction. Under Section 6662, a substantial valuation misstatement that produces a tax underpayment triggers a 20% penalty on the underpayment. If the claimed value exceeds 200% of the correct value, the penalty rises to 40% as a gross valuation misstatement.14Office of the Law Revision Counsel. 26 US Code 6662 – Imposition of Accuracy-Related Penalty on Underpayments For overstatements tied to the new Section 170(p) non-itemizer deduction, the rate is 50%. These sit on top of the additional tax owed, so aggressive valuation is among the more expensive errors a business owner can make in this area.