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Form 706-QDT: U.S. Estate Tax Return for Qualified Domestic Trusts
IRS Form 706-QDT is the U.S. Estate Tax Return for Qualified Domestic Trusts used by the trustee or designated filer of a QDOT to report estate tax on distributions, remaining property, and annuity corpus. It is generally due by April 15 of the year after a taxable event, or within 9 months of a surviving spouse’s death.
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IRS Form 706-QDT - U.S. Estate Tax Return for Qualified Domestic Trusts
IRS Form 706-QDT is the U.S. Estate Tax Return for Qualified Domestic Trusts used by the trustee or designated filer of a QDOT to report estate tax on distributions, remaining property, and annuity corpus. It is generally due by April 15 of the year after a taxable event, or within 9 months of a surviving spouse’s death.
Risk Radar
Scan points- 1Missing the 9‑month filing deadline after the surviving spouse’s death triggers penalties.
- 2Filing after Apr 15 when the return is not triggered by a spouse death.
- 3Failing to file within 9 months after the surviving spouse’s death.
- 4Not attaching Schedule B to the return when required.
- 5Omitting direct deposit information on Part III lines 15b‑15d for an overpayment.
Plain English
Form 706-QDT tells the IRS how much estate tax a qualified domestic trust owes on money it gives out or holds after the spouse dies. It adds up the tax on distributions, the trust’s remaining assets, and certain annuity payments. The trustee or a designated filer completes the form each year or after a death event.
Submission Date
- Filing date: 2025-09-10 22:10:14
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when the trustee or designated filer of a qualified domestic trust must report estate tax on certain distributions, the value of property remaining at the surviving spouse’s death, or the corpus portion of certain annuity payments.
- Do not use it when the filing is for a non‑qualified domestic trust or a regular estate tax return.
- Check Schedule P (Form 706) instead when you need to claim the foreign death tax credit.
Form selector
Use this form or another form?
Filing a regular estate tax return for a decedent that is not a QDOT
Standard estate tax return required for non‑QDOT estates
✓ Verify the decedent is not a qualified domestic trust before proceeding
Claiming a foreign death tax credit on the QDOT
Required attachment for foreign credit
✓ Confirm foreign tax paid and attach Schedule P
Reporting marital or charitable deductions on the QDOT
Deductions must be listed in Parts IV and V of Schedule B
✓ Ensure totals do not exceed Part III of Schedule B
Deadline or filing window
The return is due on or after Jan 1 but no later than Apr 15 of the year after a taxable event or hardship distribution. When filed due to the surviving spouse’s death, it must be filed within 9 months of that death, which may create a deadline earlier than Apr 15. An automatic 6‑month extension is available by filing Form 4768 and checking the “Form 706‑QDT” box; the extension does not extend time to pay any tax due.
Checklist
What you need before filling it out
Part III, line 15a – Overpayment
Direct deposit routing, account, and type information · Part III, lines 15b‑15d
Trust instrument attachment
Copy of the trust instrument · First Form 706‑QDT filing
Death certificate attachment
Certified copy of the surviving spouse’s death certificate · Return filed due to spouse’s death
Schedule B, Parts IV and V – Deductions
Details of marital and charitable deductions · Schedule B, Parts IV and V
Part III, line 14 – Tax Due
Calculated estate tax amount · Part III calculations
Before you submit
- 1Verify the revision date on the first page is August 2025.
- 2Confirm the trustee’s information is entered on Part I, lines 2a‑2g.
- 3Attach a copy of the trust instrument if this is the first filing for the QDOT.
- 4Attach the death certificate if filing due to the surviving spouse’s death.
- 5Complete Part III, line 14 with the tax due amount.
- 6If there is an overpayment, fill direct deposit information on lines 15b‑15d.
- 7Review Schedule B, Parts II‑V for completeness.
- 8Ensure any marital or charitable deductions in Parts IV‑V do not exceed Part III total.
- 9Sign the return as the trustee or designated filer.
- 10Mail the return to the correct IRS address (or PDS address if using a PDS).
How to file this form
- 1Gather the trust instrument and, if applicable, the surviving spouse’s death certificate.
- 2Complete Part I with the remaining trustee’s information and fill out Part III for tax due or overpayment.
- 3Attach Schedule B, including any marital or charitable deductions, and any required schedules such as Schedule P for foreign credit.
- 4Submit the signed Form 706‑QDT to the IRS mailing address or through an authorized PDS.
- 5Retain the mailing receipt or electronic confirmation as proof of filing.
Known limitations
- 1The form does not apply to trusts that are not qualified domestic trusts.
- 2It is not used for regular estate tax returns of decedents who are not QDOT beneficiaries.
- 3Subsequent filings after the first do not require attaching the trust instrument.
- 4Marital and charitable deductions cannot be claimed unless there is an entry in Part III of Schedule B.
Field map
Compact field-by-field guide
Decedent Info
2 items
Full legal name and date of death of the deceased individual.
Employer Identification Number assigned to the estate.
Executor
1 items
Name, address, and contact information of the appointed executor.
Assets
1 items
Total value of all assets owned by the decedent at time of death.
Deductions
1 items
Funeral expenses, debts, administrative costs, and charitable bequests.
Tax
1 items
Tax calculated on taxable estate exceeding the applicable exemption amount.
Signatures
1 items
The appointed executor must sign under penalty of perjury.
Almost done reviewing the fields?
Fillable formOpen in Editor->The instructions show Rev. August 2025; they direct users to the latest information page at IRS.gov/ Form706QDT and note that the form has been redesigned for greater efficiency.
What changed or needs a fresh check
- Edition date — confirm the instructions show Rev. August 2025.
- Fee — Not stated in the official source
- Mailing address — confirm use Department of the Treasury Internal Revenue Service Center Kansas City, MO 64999, or Internal Revenue Submission Processing Center 333 W. Pershing Kansas City, MO 64108 if using a PDS
- Signature — confirm the trustee or designated filer signs the return
- Electronic payment option — confirm direct deposit fields are completed if an overpayment exists
Quick Facts
Downloads
After you file
- 1Keep a complete copy of the filed Form 706‑QDT and all attachments.
- 2Store the copy for at least three years in case of audit.
- 3If mailed, retain the mailing receipt as proof of filing.
- 4Monitor the IRS account for any payment confirmations or notices.
- 5If an error is discovered, file an amended Form 706‑QDT promptly.
Sources
- SRCInstructions p.1 — revision date is Rev. August 2025.
- SRCInstructions p.1 — latest information page is IRS.gov/ Form706QDT.
- SRCInstructions p.1 — form redesign noted as more efficient for taxpayers and the IRS.
- SRCInstructions p.2 — mailing address is Department of the Treasury Internal Revenue Service Center Kansas City, MO 64999; PDS address is Internal Revenue Submission Processing Center 333 W. Pershing Kansas City, MO 64108.
- SRCInstructions p.2 — tax due deadline is April 15 of the year following the calendar year in which taxable distributions were made.
- SRCInstructions p.3 — attach a copy of the trust instrument to the first Form 706‑QDT filed for the trust.
- SRCInstructions p.3 — attach a copy of the death certificate if filing due to the surviving spouse’s death.
- SRCInstructions p.3 — penalties: Section 6651 for late filing/payment; Section 6662 provides a 20% penalty for underpayments; substantial valuation understatement defined as 65% or less of actual value.
- SRCInstructions p.5 — Schedule B, all of Parts II through V required; trustee information on lines 2a‑2g.
- SRCInstructions p.1 — direct deposit fields added on Part III lines 15b, 15c, and 15d; overpayment handling on line 15a.
Common confusion points
Do I need to attach the trust instrument every year?
The source says it’s required only for the first filing.
→ Check whether this is the first Form 706‑QDT filed for the trust.
Can I mail the return to a P.O. box?
PDSs can’t deliver to P.O. boxes; you must use USPS for IRS P.O. box address.
→ Verify you are using USPS if mailing to an IRS P.O. box.
What if I have an overpayment?
Overpayment requires direct deposit info on lines 15b‑15d.
→ Enter routing, account, and account type in those fields.
Are marital deductions allowed without entries in Schedule B?
Deductions in Parts IV and V are allowed only if there is an entry in Part III of Schedule B.
→ Confirm Part III of Schedule B has an entry before adding deductions.
How is a substantial valuation understatement defined?
It occurs when reported value is 65% or less of actual value.
→ Ensure valuations are above 65% of market value.
Do I need to file electronically?
The IRS recommends electronic payment but does not require electronic filing.
→ Check payment method; filing can still be paper.
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Questions about IRS Form 706-QDT
What is IRS Form 706-QDT used for?
Form 706-QDT tells the IRS how much estate tax a qualified domestic trust owes on money it gives out or holds after the spouse dies. It adds up the tax on distributions, the trust’s remaining assets, and certain annuity payments. The trustee or a designated filer completes the form each year or after a death event.
Who must file IRS Form 706-QDT?
The trustee or the designated filer of a qualified domestic trust must file IRS Form 706-QDT.
What information does IRS Form 706-QDT require?
The form gathers general trust data (Part I), election choices (Part II), taxable distribution totals (Schedule B columns a‑g), and computes the tax due (Part III, lines 14‑15).
When is IRS Form 706-QDT due?
If reporting a distribution, the return is due on or after Jan 1 but no later than Apr 15 of the following year; if filed because the surviving spouse died, it must be filed within 9 months of the date of death (e.g., death June 14 2025 → due March 14 2026).
How do I complete IRS Form 706-QDT?
A trustee filing the return prepares Part I, then Part II, completes all of Schedule B (only lines 1a and 1b of Part I), then fills Schedule A, and finally completes Part III for tax computation. The designated filer must receive Schedule B at least 60 days before the due date, summarize it on Schedule A, and attach each Schedule B when filing. The signed return is then sent to the IRS.
Do I need to attach the trust instrument every year?
The source says it’s required only for the first filing. Check whether this is the first Form 706‑QDT filed for the trust.
Can I mail the return to a P.O. box?
PDSs can’t deliver to P.O. boxes; you must use USPS for IRS P.O. box address. Verify you are using USPS if mailing to an IRS P.O. box.
What if I have an overpayment?
Overpayment requires direct deposit info on lines 15b‑15d. Enter routing, account, and account type in those fields.
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