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STANDARDS TRACKER |
STANDARDS TRACKER
IRS final rule: estate tax closing letter fee raised to $76 (T.D. 10055)
T.D. 10055 raises the estate tax closing letter fee to $76 from $56; applies to requests received on or after Oct. 26, 2026.
The IRS published final regulations (T.D. 10055) on Sept. 25, 2026, increasing the user fee for an estate tax closing letter - IRS Letter 627 - from $56 to $76. The Journal of Accountancy reports the rule adopts without change proposed regulations issued in June 2026. The fee covers IRS confirmation that Form 706 has been accepted as filed or accepted after an agreed adjustment.
BY THE NUMBERS
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See below EFFECTIVE |
1 SOURCE TRACKED |
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Sep 25 LAST UPDATED |
IRS ISSUER |
The new $76 fee applies to requests received by the IRS on or after Oct. 26, 2026. The upward revision reflects the IRS's 2025 biennial review, which the Journal of Accountancy notes found total annual program costs of $615,593 across an estimated 8,053 annual requests.
For estate administration teams, the practical change is narrow: the fee is a pass-through cost paid when requesting the letter, not an accounting estimate or a balance sheet item. That said, estate files pending as of Oct. 26, 2026 that have not yet requested the letter will pay $76 rather than $56. Workpaper checklists that hardcode the old fee amount need updating.
One written comment was received on the proposed rule, the Journal of Accountancy reports; it sought more detail on the agency's cost model. Treasury and the IRS considered it and adopted the proposed regulations without change. No further rulemaking on this fee is open or pending as of the run date.
WHAT TO DO IN THE CLOSE
| Update any estate administration checklists or templates that reference the $56 closing letter fee to $76. | |
| Flag open estate files where Letter 627 has not yet been requested: the higher fee applies to requests received on or after Oct. 26, 2026. | |
| Confirm client billing or retainer agreements reflect the revised fee for estates still in administration. | |
| Note the effective date (Oct. 26, 2026) in workpapers for any estate file where timing of the request is a cost consideration. | |
| No comment period or further proposed rulemaking is open; treat T.D. 10055 as final for planning purposes. |
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QUESTIONS THIS ANSWERS
When does the new $76 estate tax closing letter fee take effect?
The $76 fee applies to requests for IRS Letter 627 received by the IRS on or after Oct. 26, 2026, per the Journal of Accountancy. Requests received before that date are subject to the prior $56 fee.
Why did the IRS raise the estate tax closing letter fee?
A 2025 biennial cost review found the program's full annual cost is $615,593. The Journal of Accountancy reports the estimate covers 8,053 annual requests, producing the $76 fee.
What is an estate tax closing letter and who requests it?
IRS Letter 627 confirms that Form 706 has been accepted as filed or after an agreed IRS adjustment. Executors, administrators, and other authorized persons request it, typically before closing estate administration, per the Journal of Accountancy.
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