Are Trust Administration Expenses Deductible on Form 1041?

Trust administration expenses are deductible on Form 1041 only when they are unique to operating a fiduciary entity. That single distinction, drawn from IRC Section 67(e), controls everything: costs that would not exist if the same property were held by an individual are fully deductible, while costs an ordinary investor would also pay produce no tax benefit at all. With trusts hitting the top 37% federal rate at just $16,000 of taxable income, getting each expense on the right side of that line has an outsized effect on what the trust owes and what flows through to beneficiaries.

The Section 67(e) Test

IRC Section 212 broadly allows deductions for ordinary and necessary expenses incurred to produce or collect income or to manage income-producing property.¹ Section 67 then reclassifies many of those expenses as miscellaneous itemized deductions subject to a 2% floor. The Tax Cuts and Jobs Act suspended miscellaneous itemized deductions starting in 2018, and the One Big Beautiful Bill Act (Pub. L. 119-21), signed July 4, 2025, made that suspension permanent for all tax years after 2017.² For a trust, that means anything falling into the miscellaneous bucket is now permanently disallowed.

Section 67(e) is the exception. Costs paid in administering a trust or estate are pulled out of the miscellaneous category — and out of the suspension — if those costs would not have been incurred had the property not been held in a trust or estate. That is the whole test. Necessity does not save an expense. A brokerage commission is necessary to invest the portfolio, but every individual investor pays the same commission, so it fails the test.

These rules apply to non-grantor trusts and estates. A grantor trust reports its income and deductions on the grantor’s personal return rather than claiming separate deductions on Form 1041.³

What Is Fully Deductible

Expenses that clear the 67(e) test reduce the trust’s gross income dollar for dollar. The common examples:

Trustee and executor fees for fiduciary duties — maintaining fiduciary records, making distributions, performing court accountings, and allocating receipts between principal and income. No individual investor performs these tasks.
Form 1041 preparation costs. The return itself exists only for fiduciary entities.³
Legal fees to interpret the trust document, defend the trust against claims, or obtain court instruction on distributions.
Appraisal fees to determine fair market value as of a decedent’s date of death, to calculate distribution amounts, or to prepare estate or generation-skipping transfer tax returns. Appraisals for insurance purposes are not unique to the trust and fail the test.⁴
A separately assessed fee paid to the fiduciary for managing rental real estate owned by the trust, deductible under Sections 62(a)(4) and 212 rather than as a miscellaneous item.⁵

Every deduction on this list needs documentation showing what service was performed and why it exists only because the trust exists.

What Is Not Deductible

Any trust cost that mirrors what an individual investor would pay is a miscellaneous itemized deduction and produces no benefit under the permanent suspension.² The common examples:

Investment advisory fees for selecting securities, monitoring performance, and rebalancing.
Brokerage and custodian fees for holding and safeguarding the trust’s securities.
Appraisal fees obtained for insurance coverage purposes.⁴
Ordinary property ownership costs like lawn care and routine maintenance that any owner would pay.⁵

A separate rule kills deductions even when they would otherwise qualify: expenses allocable to tax-exempt income cannot be deducted.⁶ If the trust holds municipal bonds, the fiduciary calculates the ratio of tax-exempt income to total income and excludes that proportional share from any administration expense deduction.

Allocating a Bundled Trustee Fee

Most corporate trustees, and many individual fiduciaries, charge one fee that covers investment management, distribution decisions, tax compliance, and everything in between. Treasury Regulation 1.67-4 requires that bundled fee to be split between the investment-advice portion (not deductible) and the unique fiduciary portion (fully deductible).⁴

For fees not billed by the hour, only the portion attributable to investment advice sits on the non-deductible side; the rest is fully deductible. Any reasonable allocation method is acceptable, and the regulation names several factors that support reasonableness:

The percentage of trust assets subject to investment advice.
Whether a third-party advisor would charge a comparable fee for the advisory component alone.
How much of the fiduciary’s time goes to investment decisions versus distributions, beneficiary dealings, and other administrative work.

This is where most compliance problems begin. If the trustee cannot show how the allocation was made, the IRS can disallow the entire deduction. Ask the service provider for an itemized breakdown, or document the allocation method and the reasoning behind the percentages. A round-number split with no support behind it will not survive an audit.

Where the Deductions Go on Form 1041

Trustee and executor fees that qualify under Section 67(e) go on Line 12.³ If only part of a bundled fee qualifies, only that allocated portion belongs here. Other fully deductible administration expenses — Form 1041 preparation, legal fees for trust interpretation, qualifying appraisals — go on Line 15a with an attached schedule listing each item by type and amount.⁷

These deductions reduce total income before the income distribution deduction on Line 18 is calculated.³ Because the trust reaches the 37% bracket at only $16,000 of taxable income, even modest deductions can shift the effective rate on retained income.

How Deductions Move Through to Beneficiaries

Before an expense ever appears on Form 1041, the fiduciary decides whether to charge it against the trust’s income account or its principal account. Trust accounting law, usually some version of the Uniform Principal and Income Act, sets the default, and the trust document can override it.

That allocation feeds directly into Distributable Net Income, calculated on Schedule B.³ DNI caps both the trust’s distribution deduction and the amount beneficiaries must include on their own returns. Expenses charged against income reduce the DNI flowing out on beneficiary Schedule K-1s, lowering personal taxable income. Expenses charged against principal reduce the trust’s own taxable income but leave beneficiaries unaffected.

The accounting allocation is separate from the federal deductibility question. An expense can be fully deductible for tax purposes and still need to be charged to income or principal for trust accounting; the accounting choice then decides whether the benefit stays inside the trust or moves out to the beneficiaries.

Deducting on Form 1041 or Form 706

For estates large enough to file Form 706 (the federal estate tax exemption is $15,000,000 for 2026 deaths), IRC Section 642(g) forbids deducting the same administration expense on both the income tax return and the estate tax return.⁸⁹ To claim an expense on Form 1041, the fiduciary files a written statement waiving the right to deduct it on Form 706. The election is irrevocable for each specific expense.

Expenses can be split across the two returns. The right split depends on marginal rates. The federal estate tax rate above the exemption is 40%, while the top trust income tax rate is 37% reached at $16,000. When the estate is taxable, the 40% rate often wins, but the compressed trust brackets can tip specific items the other way. Deductions in respect of a decedent, such as medical bills or interest that accrued before death but remained unpaid, are the exception and can be claimed on both returns without a waiver.⁸

Excess Deductions in the Final Year

When a trust terminates, its deductions sometimes exceed its gross income for that last year. Under IRC Section 642(h), the excess flows through to the beneficiaries who succeed to the trust’s property, retaining its original character.¹⁰ The fiduciary reports the amounts on the final Schedule K-1, Box 11: Code A for Section 67(e) expenses (claimed by the beneficiary as an adjustment to income on Schedule 1, Line 24k) and Code B for non-miscellaneous itemized deductions like state and local taxes (claimed on the beneficiary’s Schedule A).¹¹

The trap: if the beneficiary lacks enough income in the year of termination to absorb the excess, the unused portion is lost. There is no carryforward.¹⁰ Because the miscellaneous itemized deduction suspension applies at the beneficiary level too, excess amounts that would have been miscellaneous in character give the beneficiary nothing.¹¹ Only Section 67(e) items and non-miscellaneous itemized deductions actually help.

What Happens If You Get It Wrong

Claiming a non-deductible expense understates the trust’s tax. When the IRS finds the error, it assesses the additional tax, interest, and typically a 20% accuracy-related penalty on the underpayment for negligence or disregard of the rules.¹² For a gross valuation error, the rate doubles to 40%.

The burden of proof sits with the trustee. Keep contemporaneous records showing how each expense was classified, how any bundled fee was allocated, and why the deductible portion qualifies under Section 67(e). A successor trustee who continues a prior fiduciary’s classifications without independently checking them carries the same exposure. Reviewing every recurring expense against the current rules is part of the job.

1
Office of the Law Revision Counsel. 26 USC 212 – Expenses for Production of Income
2
Office of the Law Revision Counsel. 26 USC 67 – 2-Percent Floor on Miscellaneous Itemized Deductions
3
Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025)
4
eCFR. 26 CFR 1.67-4 – Costs Paid or Incurred by Estates or Non-Grantor Trusts
5
Federal Register. Section 67 Limitations on Estates or Trusts
6
Office of the Law Revision Counsel. 26 USC 265 – Expenses and Interest Relating to Tax-Exempt Income
7
Internal Revenue Service. Form 1041
8
Office of the Law Revision Counsel. 26 USC 642 – Special Rules for Credits and Deductions
9
Internal Revenue Service. Whats New – Estate and Gift Tax
10
eCFR. 26 CFR 1.642(h)-2 – Excess Deductions on Termination of an Estate or Trust
11
Internal Revenue Service. Instructions for Schedule K-1 (Form 1041) for a Beneficiary Filing Form 1040 or 1040-SR
12
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments