Forgetting to file Form 709 (United States Gift and Generation-Skipping Transfer Tax Return) can lead to penalties, interest, and, most importantly, an indefinite extension of the statute of limitations, allowing the IRS (irs.gov) to audit the gift years later. If tax is owed, penalties can reach up to 5% of the tax due per month (max 25%), plus interest.
Avoid a filing penalty
Failing to file a required gift tax return may result in a penalty of 5% per month of the tax due, up to 25%.
Use Form 8892 to: To request an automatic 6-month extension of time to file Form 709, when you are not applying for an extension of time to file your individual income tax return using Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return.
Generally, you must file the Form 709 no earlier than January 1, but not later than April 15, of the year after the gift was made. If April 15 falls on a Saturday, Sunday, or legal holiday, Form 709 is due on the next business day.
Form 709 is not part of an income tax return. You do not include it with an income tax return. It is a completely separate form that you have to prepare for yourself (or with local paid tax help) and file by mail. Gifts given to family members, friends or other individuals are not deductible.
If you do a Google search using the search terms below, you should see a listing for Form 709 preparation that costs roughly $50. You might want to give that a shot since the form is more difficult to navigate than it first appears.
If you gave gifts to someone in 2025 totaling more than $19,000 (other than to your spouse), you must generally file Form 709. But see Transfers Not Subject to the Gift Tax and Gifts to Your Spouse, later, for more information on specific gifts that are not taxable.
HMRC can impose financial penalties when gifts are not declared correctly and the Executors may be liable to pay these penalties themselves. However, it is not always the Executors who are responsible for the payment of the penalties.
Interest will be charged on late payments after this date. If HMRC have asked you to complete a tax return for 2024/25, and you miss the deadline, you'll automatically be fined regardless of how small your tax liability is. A penalty will also apply if you are due a refund.
Form 709 is used to report transfers subject to the Federal gift and certain generation-skipping transfer (GST) taxes, and to figure the tax, if any, due on those transfers.
The biggest tax mistakes people make include filing late, math errors, incorrect personal info (like Social Security numbers), forgetting deductions/credits (like EITC), misreporting income, not signing forms, and making errors with bank details for direct deposit, all leading to delays, penalties, or missed savings, with using tax software or professionals helping avoid these common pitfalls.
The IRS primarily learns about large gifts when you file Form 709, the Gift Tax Return, for amounts exceeding the annual exclusion (e.g., $19,000 per person in 2025). They can also discover gifts through third-party reporting (banks reporting large cash transfers), audits of your estate, or by matching transactions to public records, especially for significant asset transfers like property, which might trigger property tax reassessments.
What Can Trigger a Gift or Estate Tax Audit? Here are some of the common factors that can lead to gift or estate tax audits: Total estate and gift value: Generally speaking, gift and estate tax returns are more likely to be audited when there are taxes owed and the size of the transaction or estate is relatively large.
Understanding Gift Tax Penalty
If you fail to file the gift tax return, you'll be assessed a gift tax penalty of 5% per month of the tax due, up to a limit of 25%.
But once a gift is given, it generally becomes the legal property of the recipient, making it difficult for the donor to reclaim it without the recipient's consent. The donor no longer owns the property; it is fully vested in the recipient.
The filing deadline for IRS Form 709 is the tax filing deadline of the year after the gift is completed. This typically falls on the tax deadline. If an extension is needed, an automatic Form 709 extension will result from an extension of time granted for filing the federal income tax return Form 1040.
TurboTax does not support Form 709. Form 709 is not part of an income tax return. It cannot be e-filed. Gifts given to family members, friends or other individuals are not deductible.
You need to file Form 709 if, in any tax year, you: Gave gifts exceeding the annual exclusion amount ($19,000 in 2025). Gave property transferred to a person more than once in a year that cumulatively exceeded the exclusion.
If your reported lifetime gifting exceeds your lifetime exemption, you will owe gift tax on the surplus.