To prove it was a gift and not a loan, you need to show the giver intended a permanent transfer with no expectation of repayment at the moment the money changed hands. Courts assess three elements for a valid gift: donative intent, delivery, and acceptance. Delivery and acceptance are usually obvious once money has moved and been kept. Intent is where the fight happens, and you win it by stacking contemporaneous evidence—what the donor wrote, said, filed, and did around the time of the transfer—rather than relying on any single document.
The Three Elements a Court Looks For
A valid gift requires donative intent, delivery, and acceptance. If any one is missing, the transfer can be treated as something else, which usually means the money has to be paid back.
Donative intent means the donor meant a permanent, no-strings-attached transfer at the time it happened. A vague promise to give something later does not count. Delivery means the donor actually gave up control: handing over cash, wiring funds, signing over a title, or depositing money into the recipient’s account. Acceptance is presumed when the recipient deposits the check or keeps the property; courts assume people accept things of value unless there is evidence they refused.
Because intent lives inside someone’s head, you prove it through external evidence of what the donor was thinking when the money moved.
Evidence That Shows Donative Intent
Written Communications From the Donor
Text messages, emails, social media messages, handwritten notes, and check memo lines are often the most persuasive proof. A message saying “I want to help you get on your feet” or “this is my graduation gift” directly establishes mindset. A memo line reading “Happy Birthday” or “house gift” carries weight because the donor wrote it at the time of the transfer, not after a dispute began.
Read your entire communication history with the donor. A single line in a long thread can be decisive. Words like “giving,” “helping out,” or “don’t worry about paying me back” point toward a gift. Words like “pay me when you can” or “we’ll figure out repayment later” point the other way.
The Absence of Loan Paperwork
Real loans come with paperwork. A formal loan typically involves a promissory note spelling out repayment schedule, interest rate, and consequences of default. Even informal family loans usually involve some written acknowledgment, a repayment timeline discussed over text, or at least a handshake agreement with specific terms.
When none of that exists—no note, no interest, no schedule, no follow-up requests for payment—the pattern looks far more like a gift. If the person now claiming a loan never once asked for repayment before the relationship soured, that silence is itself evidence.
Witnesses
Anyone present during the transfer or who spoke with the donor about it can testify. A family member who heard the donor say “I’m giving her the money for a down payment” provides direct evidence of intent. Witnesses to later conversations also help. If the donor told a mutual friend six months after the transfer that the money was a gift, that friend can testify to what they heard.
Context and Relationship
Circumstances tell their own story. Money given on a birthday, at a wedding, or during a holiday carries a natural inference of a gift. A parent helping an adult child with a major purchase fits a common pattern of family generosity. A history of similar gifts to the recipient or others in the family makes the current transfer look consistent rather than exceptional. The donor’s financial position matters too: a wealthy relative making a relatively small transfer looks different from someone parting with their last savings. None of these factors decides the case alone, but together they can make the gift explanation more believable than the loan one.
Document the Gift Before Anyone Disputes It
The best time to lock in proof is at the moment of the transfer, while the relationship is still good. People most often go wrong by assuming everything will stay friendly. Then a divorce, a falling-out, or a financial reversal changes the donor’s memory of what happened.
Gift Letters and Affidavits
A gift letter is a written statement signed by the donor confirming the transfer was a gift. At minimum it should include the donor’s name and contact information, the recipient’s name, the dollar amount, the date of the transfer, and a clear statement that no repayment is expected. Having the donor sign and date it at the time of the transfer is far more powerful than producing one after a dispute begins.
For larger amounts, get the letter notarized. A notarized gift affidavit makes it harder for the donor to later claim the document was forged or that they did not understand what they were signing. An attorney can draft one, though the document itself is straightforward enough that many people handle it on their own.
Save the Transfer Records
Keep bank statements showing the deposit, screenshots of any electronic transfer confirmations, and copies of checks front and back including memo lines. If the gift was physical property like a vehicle, keep the signed title transfer. These records corroborate the gift letter by proving the transfer actually occurred on the date claimed.
How Gift Tax Filings Prove Intent
Federal gift tax filings are powerful evidence, because a donor who reports a transfer to the IRS as a gift will have a hard time later convincing a court it was actually a loan.
For 2026, the annual gift tax exclusion is $19,000 per recipient. A donor can give up to that amount to any number of individuals without filing a gift tax return. Married couples who agree to split gifts can give up to $38,000 per recipient combined.1Internal Revenue Service. What’s New — Estate and Gift Tax
When a gift to a single person exceeds $19,000 in a calendar year, the donor must file IRS Form 709. That filing is essentially a sworn declaration to the federal government that the money was a gift. In a later court dispute, a filed Form 709 is about as close to definitive proof of donative intent as evidence gets.2Internal Revenue Service. Instructions for Form 709
Most donors who file Form 709 will not actually owe any tax, because the lifetime gift and estate tax exemption for 2026 is $15,000,000 per person. The form simply tracks how much of that lifetime exemption the donor has used. The filing itself creates an official record that the donor classified the transfer as a gift, which is exactly what you need.1Internal Revenue Service. What’s New — Estate and Gift Tax
The flip side helps too. If the person now claiming a loan never filed Form 709 for a transfer well above $19,000, that raises questions. Either they considered it a loan at the time, which supports their current claim, or they failed a federal filing obligation, which undermines their credibility. And they cannot easily argue they skipped the filing to dodge a penalty: the failure-to-file penalty is calculated as a percentage of tax due, so when the lifetime exemption covers the gift and no tax is owed, the penalty is effectively zero.3Office of the Law Revision Counsel. 26 USC 6651 – Failure to File Tax Return or to Pay Tax
Proving a Gift for a Mortgage Down Payment
One of the most common places you need to prove money was a gift is a mortgage application. Lenders need to know that down payment funds are actually yours and not a disguised loan that would raise your total debt. If any portion of your down payment came from someone else, the lender will require a gift letter.
Fannie Mae’s guidelines require the gift letter to specify the dollar amount, state that no repayment is expected, and give the donor’s name, address, phone number, and relationship to the borrower. Acceptable donors include relatives by blood, marriage, or adoption, as well as domestic partners, fiancés, and individuals with a long-standing close relationship with the borrower. The donor cannot be the builder, real estate agent, or anyone else with a financial interest in the sale.4Fannie Mae. Personal Gifts
FHA loans have similar requirements. The gift letter must be signed by both the donor and the borrower, show the donor’s contact information and relationship to the borrower, specify the dollar amount, and state that no repayment is required. The lender must also verify the actual transfer of funds through bank statements, wire transfer documentation, or copies of certified checks.5U.S. Department of Housing and Urban Development. Acceptable Sources of Borrower Funds
Lenders take this seriously. If they suspect the “gift” is actually a loan, they will require additional documentation or deny the application. Having the gift letter and matching bank records ready in advance avoids last-minute scrambles that can delay closing.
When a Gift Can Still Be Taken Back
Not every gift is absolute. A conditional gift is one that depends on the recipient doing something specific. The classic example is an engagement ring: in many jurisdictions, the ring is a gift conditioned on the marriage taking place, and the donor may be able to recover it if the engagement is called off.
Whether a gift is conditional depends on what the donor expressed at the time. “This is yours as long as you finish college” or “I’m giving you this for the wedding” attaches a condition that can support revocation if unmet. A completed, unconditional gift cannot be revoked because the donor later regrets it or because the recipient did not live up to unspoken hopes. Donors sometimes try to reframe conditions after the fact, treating an implied expectation like a repayment obligation. Courts look at what was actually said and documented at the time, not what the donor wishes had been said.
Who Has to Prove What in Court
If the dispute reaches court, the person claiming a loan usually carries the initial burden. They have to show that some loan agreement existed, even an informal verbal one. Without at least some indication of agreed repayment terms, the claim that money freely handed over was actually a loan is a tough sell.
If the alleged lender presents enough to make a credible case, the burden shifts to the recipient to counter with evidence of a gift. That is where the gift letter, the text messages, the tax filings, and the witness testimony pay off.
The standard is preponderance of the evidence: the court decides whose version is more likely true. There is no requirement to prove your case beyond a reasonable doubt. Whichever side presents the more convincing overall picture wins, and even imperfect evidence of a gift can prevail if the other side has less evidence of a loan.