Issues

How To Prove Your Charitable Deductions to the IRS

You really gave the money—and you can still lose the whole deduction over a missing line on a receipt. Here's how charitable substantiation works.

You gave your church $3,000 last year. You have the canceled checks. The gift plainly happened, and the IRS does not say otherwise. And you can still lose the entire deduction—every dollar—because the letter the church sent you is missing one sentence.

That is not a glitch. It is exactly how the law is built. For most deductions, your documents are evidence: prove the expense and you win. For charitable contributions, the paperwork is a prerequisite to the deduction itself. Miss the required substantiation and the deduction is disallowed in full, even when the IRS agrees you made the gift and agrees what it was worth.

This is the substantive merits guide for the ordinary donor—the person who put cash in the plate, donated a car, dropped clothes at Goodwill, or gave appreciated stock or crypto. It explains why charitable gifts are different, the exact document each size and type of gift requires, the cases that show how unforgiving the rule is, and how the path runs from a disallowance letter to a Notice of Deficiency to US Tax Court—usually as a small case—with audit reconsideration as the fallback. It is a sister to How To Prove Your EITC and Dependent Claims to the IRS and Unreported Income Disputes in Tax Court.

First, a threshold question. Charitable contributions are itemized deductions—you claim them on Schedule A. They only lower your tax if your itemized deductions add up to more than the standard deduction for your filing status. If you took the standard deduction, a charitable gift gave you no deduction at all, and there may be nothing here to fight about. If the IRS is disallowing a charitable deduction, it is because you itemized and claimed one—and this guide is about defending that claim.

Why Charitable Deductions Are Different

Here is the idea most donors never see coming, and the one organizing principle of this entire article: the substantiation rules for charitable gifts are not just proof requirements. Under IRC § 170, they are statutory conditions of the deduction. You can satisfy a court that you gave the money and that your number is right and still get zero—because you did not get the right piece of paper at the right time.

Two settled rules drive everything below.

The burden is on you. Deductions are a matter of "legislative grace." The taxpayer bears the burden of proving entitlement to any deduction claimed and of keeping records sufficient to establish it. That comes straight out of Welch v. Helvering, 290 U.S. 111 (1933), and INDOPCO, Inc. v. Commissioner, 503 U.S. 79 (1992), and it is restated in Albrecht v. Commissioner, T.C. Memo 2022-53, the museum-donation case we walk through below. The Commissioner's determination is presumed correct; you have to prove it wrong.

Strict, not substantial, compliance. For two of the rules below—the written acknowledgment for gifts of $250 or more, and the appraisal for noncash gifts over $5,000—courts demand strict compliance. Almost right is not right. The Tax Court has held that the doctrine of substantial compliance does not excuse a failure to obtain a written acknowledgment that meets the statute's requirements (15 West 17th Street LLC v. Commissioner, 147 T.C. 557 (2016)). And the Ninth Circuit has explained why a paperwork miss can sink a genuine gift: denying the deduction in full deters careless substantiation and supports a tax system built on self-assessment and self-reporting (Addis v. Commissioner, 374 F.3d 881, 887 (9th Cir. 2004)).

The hard news is that this rule bites real donors over technicalities. The good news—and the payoff of this guide—is that, unlike a fight about what your gift was worth, these failures are almost entirely avoidable if you get the paperwork right before you file. The rest of this article is about exactly what that paperwork is.

The Substantiation Ladder: Find Your Rung

The requirements escalate with the size and type of the gift. Find your situation and the exact document it demands. All of the dollar lines below come from § 170 and IRS Publication 526, the IRS's plain-language guide to charitable contributions.

Any Cash Gift—You Need a Record No Matter How Small

Under IRC § 170(f)(17), there is no deduction for any "cash, check, or other monetary gift"—no matter how small—unless you keep one of two things:

a bank record: a canceled check, a bank or credit-union statement, a credit-card statement, an electronic funds transfer receipt, or a scanned image of both sides of a canceled check; or
a written communication from the charity showing its name, the date, and the amount.

The old "$10 in the collection plate, no record needed" deduction is gone. "Cash" here also covers checks, electronic transfers, online payment services, debit and credit cards, payroll deduction, and gift cards redeemable for cash. If you cannot produce a bank record or a charity receipt, the deduction is dead before you even reach the bigger rules.

The $250 Written-Acknowledgment Trap—The One That Catches Everyone

This is the rule that disallows genuine gifts more than any other, and the one to internalize. Under IRC § 170(f)(8), for any single contribution of $250 or more—cash or noncash—you get no deduction unless you obtain a contemporaneous written acknowledgment from the charity. Tax people call it a CWA. It must contain all three of these:

the amount of cash, and/or a description (but not the value) of any property contributed;
whether the charity gave you any goods or services in return for the gift; and
a description and good-faith estimate of the value of any such goods or services—or, if the only thing you got back was an intangible religious benefit, a statement saying so.

That second element is the silent killer. Most people assume a receipt that confirms the amount is enough. It is not. The acknowledgment has to affirmatively state whether you got anything in return—and "no goods or services were provided in exchange for this contribution" is the magic line you are looking for. A receipt that just thanks you for $500 and stops there does not satisfy the statute.

The timing rule is unforgiving. "Contemporaneous" means you must have the acknowledgment in hand on or before the earlier of (a) the date you file the return, or (b) the return's due date including extensions. A receipt you get later—even one day later, even one the charity happily writes for you during the audit—does not count. You cannot fix this after you file.

The $250 is per gift, not per year. As Pub 526 puts it, if you give your church $25 every week, those weekly payments do not have to be combined—each is under $250. But a single $300 gift needs a CWA. In practice, the year-end giving statement most churches and charities send is what satisfies the rule for your regular givers—if it carries the no-goods-or-services line.

There is no reasonable-cause cure for a missing CWA, and you cannot back-fill it. This is the part that surprises people most. The reasonable-cause escape hatch discussed later in this guide lives in a different subsection of the statute and reaches only certain noncash appraisal failures—it does not touch the $250 CWA. Courts apply the CWA rule strictly, with no substantial-compliance forgiveness. The statute once gestured at an alternative that would let a charity's information return stand in for your CWA, but it was never made operational—the implementing regulations Treasury proposed in 2015 were withdrawn in 2016 and never finalized, and the Tax Court has held the alternative is not self-executing without them (15 West 17th Street LLC v. Commissioner, 147 T.C. 557 (2016)). So no: you cannot rescue a missing CWA by asking the charity to file or amend a return after the fact. And if the charity has since closed or stopped responding, that is no exception either—a missing acknowledgment cannot be reconstructed once you have filed. Get the letter before you file. Full stop.

Quid Pro Quo: When You Got Something Back

Sometimes you pay a charity and get something in return—a gala ticket, a tote bag, a dinner, a brick with your name on it. That is a "quid pro quo" contribution: part gift, part purchase. Under IRC § 6115, when a charity receives a quid pro quo payment over $75, it must give you a written statement that (1) tells you your deduction is limited to the amount you paid over the value of what you got, and (2) gives a good-faith estimate of that value.

You can deduct only the excess. Pay $300 for a charity dinner where the meal is worth $90, and your deduction is $210—not $300. (There is a narrow exception for payments to a religious organization where the only thing you receive is an intangible religious benefit not sold commercially.) Keep that written statement; it is how you prove both the deductible amount and that you handled the benefit correctly.

Noncash Gifts Over $500—Form 8283, Section A

Once your total noncash deductions for the year exceed $500, you must file Form 8283 with your return. Property worth $5,000 or less—plus any publicly traded securities, regardless of amount—goes in Section A. The IRS may disallow a noncash deduction over $500 outright if Form 8283 is not submitted. Section A asks for the date you acquired the property, how you acquired it, and your cost or basis. And remember: if any single noncash item was worth $250 or more, you also need the CWA for it—the rules stack.

Noncash Gifts Over $5,000—The Qualified-Appraisal Trap

This is the second big trap. Under IRC § 170(f)(11), for noncash property (or a group of similar items) where the deduction you claim exceeds $5,000, you must:

obtain a qualified appraisal of the property from a qualified appraiser;
attach a completed appraisal summary—Form 8283, Section B—to your return, signed by both the appraiser (the Declaration of Appraiser) and the charity (the Donee Acknowledgment); and
keep the required records.

What makes an appraisal "qualified"? Under Treas. Reg. § 1.170A-17, it is a document prepared in accordance with the recognized professional standards (USPAP), stating the property's description, condition, fair market value, the valuation method and basis, the appraiser's qualifications, and a statement that it was prepared for income tax purposes. It must be signed and dated no earlier than 60 days before the gift and no later than the return's due date including extensions, and you must have it before you file. The appraiser's fee cannot be a percentage of the appraised value. Appraisals cost money—often several hundred dollars or more—so for a gift only a little over $5,000, weigh the fee against the tax the deduction will actually save you.

A "qualified appraiser" is someone with verifiable education and experience valuing that type of property—either coursework plus two or more years of experience, or a recognized professional appraiser designation. The statute excludes certain people from being your appraiser: the donor, the charity, anyone involved in the transaction that got you the property, related parties, and anyone paid a prohibited percentage fee. The most important exclusion to remember: you can never appraise your own gift—not even if you are a licensed, certified appraiser yourself. (More on that in the Mohamed case below.)

One more box that quietly sinks deductions: Section B asks for your cost or adjusted basis in the property. Leaving it blank with no explanation can defeat the deduction by itself. If you genuinely cannot determine your basis, the regulations let you attach a short statement explaining why—but you have to actually use that safe harbor. A silently empty box is fatal.

Over $500,000. If the deduction for an item (or group of similar items) tops $500,000, you must attach the full qualified appraisal itself to the return, not just the Section B summary.

The publicly traded securities exception. The appraisal requirement does not apply to cash, certain inventory, publicly traded securities, and qualified vehicles with the proper acknowledgment. Publicly traded stock over $5,000 goes in Form 8283 Section A, not B—no appraisal needed. Hold onto that carve-out; it matters a great deal for the stock-versus-crypto contrast later.

The Cases: How Unforgiving the Rule Really Is

These decisions involved everything from a $22,000 church gift to a multimillion-dollar property donation. Do not read them as "wealthy taxpayers who got greedy." Read them as proof of how the rule actually operates—because the exact same standard applies to your $300 church receipt and your $7,000 donated car. In several of these cases the IRS agreed the gift happened and even agreed what it was worth. The deduction died anyway, on paperwork.

The church gift—Durden v. Commissioner, T.C. Memo 2012-140. The Durdens gave their church $22,517 in one year. They had the canceled checks. They had an acknowledgment letter from the church. The problem: the letter did not say whether the church had provided any goods or services in return. When the IRS flagged it, the church wrote a second, corrected letter with the right language—but it came after the return was filed, so it was not contemporaneous. The Tax Court disallowed the entire deduction. The gift was real, the amount was undisputed, and one missing sentence cost all of it. This is the case practitioners cite to explain why your year-end church statement must contain the magic no-goods-or-services line.

The museum gift—Albrecht v. Commissioner, T.C. Memo 2022-53. Martha Albrecht donated about 120 Native American jewelry and artifact items to a museum and got a five-page "Deed of Gift" in return. The deed said the donation was unconditional and irrevocable—but it added that the terms applied "unless otherwise stated in the Gift Agreement," and that referenced side agreement was never produced. Because the deed did not state whether the museum gave anything in return, and because it pointed to a possible separate agreement, it failed as a CWA. The Tax Court denied the deduction in full and wrote the line that sums up this whole article: "We appreciate what appears to have been a good faith attempt by petitioner to substantially comply with the Code . . . . Substantial compliance, unfortunately for petitioner, does not satisfy the strict requirements of section 170(f)(8)(B)." The court never even reached the value of the jewelry—the case turned entirely on the receipt.

You cannot appraise your own gift—Mohamed v. Commissioner, T.C. Memo 2012-152. Joseph Mohamed donated property everyone agreed was worth over $18 million. He was a successful real-estate broker and a certified real-estate appraiser. He filled out his own Form 8283 without reading the instructions. The Tax Court denied the entire deduction: his self-prepared valuation was not a "qualified appraisal" because the appraiser must be independent—a donor cannot appraise his own gift even when he is a certified appraiser—and the independent appraisals he later obtained came after the return's due date, failing the timing rule. The court called the result harsh and applied it anyway. This is the marquee warning that good intentions plus real value plus do-it-yourself paperwork can still equal zero.

Fill in the basis box—RERI Holdings I, LLC v. Commissioner, 149 T.C. 1 (2017), aff'd sub nom. Blau v. Commissioner, 924 F.3d 1261 (D.C. Cir. 2019). RERI claimed a $33 million deduction and left the "Donor's cost or adjusted basis" box on Form 8283 blank, with no explanation. The Tax Court assumed for the sake of argument that substantial compliance could apply—and still denied the entire deduction, because omitting basis can never be substantial compliance: basis is exactly the figure that would have alerted the IRS to a gross overvaluation (RERI had bought the interest months earlier for under $3 million). The D.C. Circuit affirmed and pointed out the regulatory safe harbor RERI never used. Lesson: complete every box on Form 8283, and if you cannot supply basis, attach the explanation rather than leaving a hole.

The thread through all four: the gift was real, and the deduction still failed on a document. That is the standard you are operating under too.

The Categories You'll Actually Hit

Most ordinary donors run into one of these four situations. Here is what each one specifically requires.

Donated a Vehicle? Form 1098-C and the Gross-Proceeds Cap

If you give a car, boat, or airplane and claim more than $500, the normal CWA rule is replaced by a special regime under IRC § 170(f)(12). Two things to know.

First, your deduction is generally capped at the gross proceeds the charity gets when it sells the vehicle—not the Kelley Blue Book value you had in mind. If the charity auctions your car for $1,400, your deduction is usually $1,400, full stop.

Second, the charity must give you (and file with the IRS) Form 1098-C—or an equivalent acknowledgment—within 30 days, and you must attach Copy B to your return. Without it, no deduction over $500.

There are exceptions to the gross-proceeds cap. If the charity makes "significant intervening use" of the vehicle, materially improves it, or gives or sells it below value to a needy individual in furtherance of its mission, it can certify that on the 1098-C and you may use fair market value instead. And if fair market value does apply, Pub 526 says to use the private-party sale price for a vehicle of the same make, model, year, and condition—not the dealer retail figure—and to reduce it for engine trouble, body damage, or high mileage.

Donated Clothing or Household Items? "Good Used Condition or Better"

Under IRC § 170(f)(16), there is no deduction for clothing or a household item unless it is in "good used condition or better." The lone exception: a single item not in good condition but worth more than $500 can still be deducted if you attach a qualified appraisal (Form 8283, Section B).

The bigger reality check is value. The fair market value of used clothing and goods is the thrift-shop price—what the item would actually sell for at a place like Goodwill or the Salvation Army—which Pub 526 notes is "usually far less than the price you paid." Its own example: a coat that cost $300 three years ago and sells for $50 at the thrift store is worth $50, not $300. To substantiate a donation like this, keep dated photos of the items, an itemized list with each item's condition, the charity's receipt, and a reasonable per-item value (many donors use thrift-store valuation guides).

Donated Crypto? Appraisal Required Over $5,000—No Stock Exception

This is the freshest and most counterintuitive trap, because donors assume crypto works like stock. It does not. The IRS treats virtual currency as property, not a security. So for charitable purposes, a crypto gift over $5,000 needs a qualified appraisal, and there is no publicly traded securities exception—not even for a coin that trades on a major exchange around the clock.

Pub 526 (2025) says it directly: digital assets are not publicly traded securities for Form 8283 purposes unless the asset is itself publicly traded stock or indebtedness, and if the value exceeds $5,000, the appraisal requirements apply. Form 8283 now even has a dedicated "Digital assets" checkbox in Section B.

The IRS drove the point home in Chief Counsel Advice 202302012: a taxpayer donated roughly $10,000 of cryptocurrency and relied on the value reported by the crypto exchange instead of getting a qualified appraisal. The IRS concluded the deduction had to be disallowed—an exchange-reported value is not a qualified appraisal—and that the reasonable-cause exception did not save it, because using an exchange printout instead of getting an appraisal was not ordinary business care and prudence. Donating appreciated crypto you have held more than a year is still tax-smart—you avoid capital-gains tax and may deduct fair market value—but only if you get the appraisal for gifts over $5,000.

Donated Appreciated Stock? The Clean Case

Compare crypto to the friendliest noncash gift there is: publicly traded stock held more than one year. Donate it and you deduct its fair market value (the average of the high and low on the contribution date), pay no capital-gains tax on the appreciation, and need no appraisal even above $5,000—it goes in Form 8283, Section A. That is the whole point of the publicly traded securities carve-out, and it is exactly the carve-out crypto does not get. If you are choosing what to give from a portfolio, this difference is worth real money.

The One Cure That Exists—and the One That Doesn't

There is a limited reasonable-cause escape hatch, and it is important to know precisely how far it reaches.

Under IRC § 170(f)(11)(A)(ii)(II), the disallowance for failing the noncash substantiation requirements does not apply "if it is shown that the failure to meet such requirements is due to reasonable cause and not to willful neglect." So a technically deficient qualified appraisal, or a defective or late Form 8283 Section B summary, can sometimes be excused—if you exercised ordinary business care and prudence, typically by relying in good faith on a qualified professional who botched a mechanical requirement.

What it does not reach:

A missing or defective $250 CWA. The reasonable-cause door is in § 170(f)(11); the CWA requirement lives in § 170(f)(8). They are different subsections, and the door does not open onto the CWA. Durden, Albrecht, and 15 West 17th Street all turn on this. There is no reasonable-cause forgiveness for a bad acknowledgment.
Skipping an appraisal entirely when one was plainly required and you made no real effort to get it. As CCA 202302012 shows, grabbing an exchange printout instead of an appraisal is not reasonable cause.

The takeaway: reasonable cause is a backstop for honest mechanical slips in the noncash appraisal process. It is not a way to rescue the acknowledgment you never got. If you want a fuller treatment of reasonable cause generally, see How To Request IRS Penalty Abatement.

What Losing the Deduction Actually Costs

Before you decide whether to fight, it helps to know what is really at stake in dollars—because losing a deduction is not the same as a bill for the full amount you deducted.

A disallowed deduction increases your taxable income by that amount. The extra tax you owe is roughly the deduction multiplied by your marginal tax bracket. So if the IRS disallows a $3,000 charitable deduction and you are in the 22% bracket, the additional tax is about $660—not $3,000. Knowing that number tells you whether the $60 filing fee and the effort of a fight are worth it.

Two things can be added on top. Interest runs from the original due date of the return until you pay—see How Interest Works on Your IRS Tax Debt. And the IRS may assert a 20% accuracy-related penalty under IRC § 6662 for negligence or a substantial understatement of tax—separate from the valuation penalty below. To see how tax, penalties, and interest stack into a single balance, see Understanding Your IRS Balance.

A Word on Valuation Penalties

If you overstate the value of a donation, you can face an accuracy-related penalty on top of the disallowance. Under IRC § 6662, a 20% penalty applies to a "substantial" valuation misstatement—where the value claimed is 150% or more of the correct amount and the resulting underpayment tops $5,000—and a 40% penalty applies to a "gross" misstatement, where the claimed value is 200% or more of the correct amount. (RERI's overstatement, north of 400%, drew the 40% penalty.) The appraiser has skin in the game too: the Form 8283 declaration warns the appraiser about separate penalties for substantial overstatements. We keep this brief here because the full penalty-defense toolkit—reasonable cause under § 6664(c) and the supervisory-approval requirement of § 6751(b)—is covered in depth in Unreported Income Disputes in Tax Court.

The Path: From Disallowance to Tax Court

A charitable-deduction dispute moves the same way most individual disputes do. Here is the route and where it usually ends.

Examination and the 30-day letter. These disputes are usually handled as a correspondence or office examination—the IRS asks for your documents (often through a Letter 566 or a Form 886-H document request) and, if it disagrees, issues an examination report and a 30-day letter proposing to disallow the deduction. (Not sure which letter you are holding? See Common IRS Notices and Letters.) See How To Respond to an IRS Audit. This is the stage where a clean substantiation package—the CWA, the bank records, the appraisal, a complete Form 8283—wins or loses the case.
Appeals (optional). A timely protest can route your case to IRS Appeals before any Notice of Deficiency issues. See How To Request an IRS Appeals Conference and What To Expect at Your IRS Appeals Conference.
Notice of Deficiency—the 90-day letter. If it is not resolved, the IRS issues a Statutory Notice of Deficiency. Under IRC § 6213(a), you have 90 days from the date on the notice (150 days if you are addressed outside the US) to petition the US Tax Court. This deadline cannot be extended. See You Just Got a 90-Day Letter From the IRS and How To File Your Tax Court Petition.
Tax Court—usually a small "S" case. Most ordinary charitable disputes are well under $50,000, so they qualify for the simplified small-case procedure—informal, plain-English, no rigid rules of evidence (the trade-off is that an S-case decision is final and sets no precedent). The filing fee is $60, with a waiver available. Most cases never reach trial: Most (76%) of Tax Court cases close by settlement, and more than 99% resolve without a trial on the merits. Cases typically take 6-18 months to resolve. See Small Case or Regular Case: Which Should You Choose.
Audit reconsideration—the fallback. If the 90 days lapse and the tax is assessed, audit reconsideration lets you ask Examination to reopen on the documents. It is discretionary, and by itself it does not stop the 10 years collection clock. For substantiation disputes it often works—because the issue is purely documentary. But note the limit unique to this topic: audit reconsideration cannot resurrect a deduction that died for a missing CWA, because no late cure for a CWA exists. It can fix a case where the documents always existed and simply were never produced, or where the real fight is about value.

A one-sentence note for high-net-worth readers: syndicated conservation- and façade-easement donations live in a separate, heavily policed world with their own anti-abuse rules and are beyond the scope of this guide—if that describes your gift, see a specialist.

What To Do Now

Almost every charitable-deduction failure is preventable. The work happens before you file, not after the letter arrives. A pre-file checklist:

Get the written acknowledgment for every gift of $250 or more—before you file. Make sure it states the amount, says whether you received any goods or services, and (if applicable) values them. The phrase to look for is "no goods or services were provided in exchange for this contribution."
Keep a bank record for every cash gift, no matter how small. Canceled check, bank or card statement, or a charity receipt.
For any quid pro quo gift over $75, keep the charity's statement and deduct only the excess over what you received.
File Form 8283 for noncash gifts over $500, and complete every box—including cost or basis. If you cannot determine basis, attach an explanation rather than leaving it blank.
Get a qualified appraisal for noncash property—including crypto—over $5,000, dated within the window, and attach Form 8283 Section B signed by both the appraiser and the charity. Attach the full appraisal if the gift tops $500,000.
Never appraise your own gift, even if you are a certified appraiser.
For a donated vehicle over $500, attach Copy B of Form 1098-C and expect your deduction to be capped at the sale proceeds.
If a Notice of Deficiency has issued, calendar the 90 days deadline and decide whether to petition; do not assume an amended return or a late receipt will fix it. See How To Prepare Your Evidence for Tax Court.

Get Help

Around 89% of Tax Court petitioners represent themselves, and many charitable-substantiation disputes are well suited to it because the case is documentary. But the represented win rate is higher (about 12% pro se versus about 23% represented in the most recent data), and some situations call for help—a large appraisal fight, a possible valuation penalty, or several years at once.

If your income is at or below 250% of the poverty line and your dispute is at or below $50,000, you may qualify for free representation through a Low-Income Taxpayer Clinic—they handle exactly these cases. For more complex situations, see When To Get Professional Help With Your Tax Dispute.

Resources

Statute and regulations:

IRS forms and publications:

Cases cited:

Welch v. Helvering, 290 U.S. 111 (1933)
INDOPCO, Inc. v. Commissioner, 503 U.S. 79 (1992)
Addis v. Commissioner, 374 F.3d 881 (9th Cir. 2004)
15 West 17th Street LLC v. Commissioner, 147 T.C. 557 (2016)
RERI Holdings I, LLC v. Commissioner, 149 T.C. 1 (2017), aff'd Blau v. Commissioner, 924 F.3d 1261 (D.C. Cir. 2019)
Albrecht v. Commissioner, T.C. Memo 2022-53 (U.S. Tax Court, DAWSON)
Durden v. Commissioner, T.C. Memo 2012-140 (U.S. Tax Court, DAWSON)
Mohamed v. Commissioner, T.C. Memo 2012-152 (U.S. Tax Court, DAWSON)

Companion articles on TaxCourtHelp:

This article is for informational purposes only and does not constitute legal or tax advice. For advice specific to your situation, consult a qualified tax professional or attorney.