Corporate Charitable Giving After the 2026 Rules: Six Lessons for C Corporations
Corporate philanthropy is no longer a write-the-check-and-hope exercise. The deduction is won or lost on sequence, timing, and paperwork.
Beginning with tax years that start in 2026, a C corporation's charitable contributions are deductible only to the extent they exceed 1 percent of taxable income, with the familiar 10 percent ceiling still in place above that.1 A floor beneath the ceiling changes the arithmetic of corporate giving, and it makes planning that was always advisable now close to mandatory. Over the summer I wrote a twelve-part series on the subject. These are the six lessons that matter most.
1. Follow a sequence
Corporate philanthropy is no longer a write-the-check-and-hope exercise. The better sequence is: identify the corporate purpose and the charitable objective; run the 1 percent floor and the 10 percent ceiling against projected taxable income; decide whether the payment is better treated as a business expense under section 162 or a contribution under section 170, and whether a charitable remainder unitrust, a charitable lead annuity trust, a gift of appreciated property or inventory, a donor advised fund, a private foundation, or a charitable stock bailout fits best; time the transfer before the sale or the year-end window closes; document board approval, valuation, substantiation, and donee requirements; and coordinate the trust, tax, accounting, investment, and administration work.
2. Give before the deal is too real
For a corporation holding appreciated long-term capital gain or section 1231 property, a gift of the property itself can produce a fair market value deduction and avoid corporate-level gain. That result holds only if the gift is completed before a sale, merger, or redemption is binding or practically certain. Wait too long and the assignment of income doctrine pulls the gain back to the corporation. If the company may sell, donate early enough that the charity or trust takes real ownership before the buyer is effectively locked in. The reverse rule applies to loss property: sell it, harvest the loss, and give cash.
3. Asset type and donee matter
For qualifying inventory contributed for the care of the ill, the needy, or infants, a C corporation may claim the enhanced inventory deduction of basis plus half the appreciation, capped at twice basis.2 For routine giving, a public charity or a donor advised fund sponsor usually provides the cleanest path to a current deduction, and a donor advised fund preserves flexibility for later grants as long as the sponsor has exclusive legal control. Private foundations offer continuity and control but bring lower deduction limits for property, self-dealing rules, and excise taxes, with a special rule for qualified appreciated publicly traded stock.
4. The charitable bailout is powerful, but do not prearrange it
In a charitable stock bailout, a corporation or shareholder contributes appreciated closely held stock to a charity or a corporate foundation, and the issuer later redeems the shares for cash. Done correctly, the donor receives a fair market value deduction, the built-in gain is not recognized, and accumulated earnings move out through the redemption without a dividend. The red line is prearrangement. The charity cannot be legally bound or practically compelled to redeem. The gift and the redemption have to stand on their own, and if a private foundation is involved the self-dealing rules need careful handling.
5. A corporate CLAT does not have to be level
A charitable lead annuity trust funded by a corporation can pay the same annuity each year or a rising one. In a $1 million, twenty-year model, both a level CLAT and a CLAT with payments that ramp 20 percent a year produced the same $1 million upfront deduction before corporate limits. The cash flow was very different. The level annuity paid about $77,500 a year, roughly $1.55 million in total to charity, with a projected remainder of about $4.06 million back to the corporation. The ramped version paid about $10,500 in year one, rising to about $337,000 in year twenty, roughly $1.97 million in total to charity, with a projected remainder of about $5.86 million. The ramp lets the assets compound before the larger payments come due.3
6. The deduction is won before the return is filed
Corporate deductions are lost on process more often than on intent. A gift of $250 or more needs a contemporaneous written acknowledgment. A noncash gift over $5,000 generally needs a qualified appraisal and a signed Form 8283, and larger gifts require the appraisal to be attached.4 Treat substantiation as a closing condition, not an audit project. Accrual-method corporations have one more lever: a board-authorized contribution can be deducted in the year of authorization if it is paid by the fifteenth day of the fourth month after year end, which can match a deduction to a high-income year that has already closed.5 And keep it corporate. A corporate payment that satisfies a shareholder's personal pledge or provides a personal benefit can be a constructive dividend.
Where this leaves a company
The 2026 rules reward corporations that plan their giving the way they plan any other significant transaction: with a model, a calendar, a board resolution, and a file that would survive an examination. The companies that do that will give more, deduct more, and spend less time explaining themselves.
Notes
- I.R.C. section 170(b)(2), as amended by Pub. L. No. 119-21 (2025). Amounts disallowed by the floor carry forward only in limited circumstances, so the floor is a real cost rather than a timing difference for most corporations. ↩
- I.R.C. section 170(e)(3). ↩
- Illustrative projections prepared by the author; results depend on the section 7520 rate, the investment return assumed, and the term chosen. ↩
- I.R.C. section 170(f)(8) and (f)(11); Treas. Reg. section 1.170A-13. ↩
- I.R.C. section 170(a)(2). ↩
Terry L. (T. L.) Turnipseed, J.D., LL.M., CTFA, is a tax, trust and estate attorney in Fort Lauderdale, Florida, and Head of Estate and Tax Planning at Alta Trust Company. He is a former tenured professor of law at Syracuse University. Reach him at tl@turnipseed.law or on LinkedIn. This article is general information, not legal advice.