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Official form guide
IRS Form 706-GS(T) is used by a trustee to figure and report the tax due from certain trust terminations subject to the generation-skipping transfer (GST) tax; generally, it must be filed by April 15 of the following year.
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IRS Form 706-GS(T) is used by a trustee to figure and report the tax due from certain trust terminations subject to the generation-skipping transfer (GST) tax; generally, it must be filed by April 15 of the following year.
Plain English
This form helps a trustee calculate and report taxes when a specific trust ends. It documents the required GST tax amount for that termination event. Filing this correctly ensures the proper generation-skipping transfer tax is accounted for on the return.
Submission Date
AI co-pilot
Form selector
Need to report a termination not on this return due to medical/educational exclusions or prior GST tax payment
Part IV of the form
✓ Ensure you complete line 12 describing the specific termination.
Filing as a nonexplicit trust that needs to show its effect is similar to an explicit trust
Part IV of the form
✓ Complete Part IV, line 13 describing the trust arrangement when not explicitly stated.
Filing a return where you need to change something already submitted
Supplementing the original filing
✓ Enter “Supplemental Information” across the top of page 1 and include a statement of changes.
The filing trigger is the calendar year in which the termination occurs. The deadline is April 15 of the following year; if that day falls on a Saturday, Sunday, or legal holiday, it must be filed on the next business day. An automatic extension can be requested by filing Form 7004 on or before the regular due date.
Checklist
Purpose
Trustee must figure/report tax due from trust terminations subject to GST tax · Instructions p.1 / Form p.1
Filer Requirement
The trustee of any trust with a taxable termination · Instructions p.1
Due Date
April 15 of the year following the calendar year in which the termination occurs · Instructions p.1
TIN Requirement
All trusts must have a TIN (especially nonexplicit trusts) · Instructions p.4
Filing Order
Parts I and II, Schedule A, then Parts III and IV · Instructions p.4
Exemption Amount (Pre-1999)
$1 million for transfers made through 1998 · Instructions p.7
Field map
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.
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Fillable formOpen in Editor->The current edition is Revision December 2025 (12/25); users can find the latest information at IRS.gov/Form706GST, and recent changes include reorganizing lines in Part I and moving questions 3, 6, and 7 to Schedule A.
Quick Facts
Downloads
When do I file?
The trustee generally must file by April 15 of the year following the termination.
→ Check if the due date falls on a Saturday, Sunday, or legal holiday; if so, file on the next business day.
What happens if my TIN isn't ready?
If you do not receive the Taxpayer Identification Number (TIN) by the due date for Form 706-GS(T), write “Applied for” on line 1b.
→ Confirm that "Applied for" is written exactly as shown on Line 1b.
How do I pay electronically?
The IRS recommends electronic payment, and options include any of the listed payment methods (referencing IRS.gov/Payments).
→ Verify the specific accepted electronic payment options on IRS.gov/Payments.
What if my trust has multiple Schedules A?
If you have more than six Schedules A attached to Form 706-GS(T), enter the total GST tax from all Schedules A in excess of six on Line 6b.
→ Ensure this calculation is done correctly before entering the amount on Line 6b.
What if I'm using a PDS?
File at the specific address for PDSs: Internal Revenue Service, 333 W. Pershing Road, Kansas City, MO 64108.
→ Confirm that your chosen PDS is listed as designated by the IRS on IRS.gov/PDS.
What do I refer to if my trust was formed before a certain date?
If property is transferred into a pre-existing trust (Part II, Line 3), you must refigure the inclusion ratio and complete Part IV, line 11 stating how it was calculated.
→ Check if your situation requires completing Part IV, line 11 after answering 'Yes' to the pre-existing transfer question.
Workflow map
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This form helps a trustee calculate and report taxes when a specific trust ends. It documents the required GST tax amount for that termination event. Filing this correctly ensures the proper generation-skipping transfer tax is accounted for on the return.
Generally, the trustee of any trust that has a taxable termination must file IRS Form 706-GS(T) for the tax year in which the termination occurred.
The form collects general information (Part I), details about the trust (Part II), the calculated tax amounts (Part III), and supplemental data like how the inclusion ratio was figured (Part IV).
Generally, the trustee must file IRS Form 706-GS(T) by April 15 of the year following the calendar year in which the termination occurs.
Filers can use designated Private Delivery Services (PDSs); for the standard IRS mailing address when using a PDS, refer to IRS.gov/PDSStreetAddresses.
The process involves filling out Parts I through IV, ensuring that if property was contributed to a pre-existing trust, Part IV, line 11 details the inclusion ratio calculation. The trustee or an authorized representative must verify and sign the declaration under penalties of perjury before sending it.
If the trustee fails to file by the due date without an extension, there is no explicit penalty stated in the source other than the requirement to file on time.
The trustee generally must file by April 15 of the year following the termination. Check if the due date falls on a Saturday, Sunday, or legal holiday; if so, file on the next business day.
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