26 C.F.R. § 20.2053-3

(a) In general. The amounts deductible from a decedent's gross estate as “administration expenses” of the first category (see paragraphs (a) and (c) of § 20.2053-1) are limited to such expenses as are actually and necessarily, incurred in the administration of the decedent's estate; that is, in the collection of assets, payment of debts, and distribution of property to the persons entitled to it. The expenses contemplated in the law are such only as attend the settlement of an estate and the transfer of the property of the estate to individual beneficiaries or to a trustee, whether the trustee is the executor or some other person. Expenditures not essential to the proper settlement of the estate, but incurred for the individual benefit of the heirs, legatees, or devisees, may not be taken as deductions. Administration expenses include (1) executor's commissions; (2) attorney's fees; and (3) miscellaneous expenses. Each of these classes is considered separately in paragraphs (b) through (d) of this section.

(b) Executor's commissions. (1) Executors' commissions are deductible to the extent permitted by § 20.2053-1 and this section, but no deduction may be taken if no commissions are to be paid. In addition, the amount of the commissions claimed as a deduction must be in accordance with the usually accepted standards and practice of allowing such an amount in estates of similar size and character in the jurisdiction in which the estate is being administered, or any deviation from the usually accepted standards or range of amounts (permissible under applicable local law) must be justified to the satisfaction of the Commissioner.

(2) A bequest or devise to the executor in lieu of commissions is not deductible. If, however, the terms of the will set forth the compensation payable to the executor for services to be rendered in the administration of the estate, a deduction may be taken to the extent that the amount so fixed does not exceed the compensation allowable by the local law or practice and to the extent permitted by § 20.2053-1.

(3) Except to the extent that a trustee is in fact performing services with respect to property subject to claims which would normally be performed by an executor, amounts paid as trustees' commissions do not constitute expenses of administration under the first category, and are only deductible as expenses of the second category to the extent provided in § 20.2053-8.

(c) Attorney's fees—(1) Attorney's fees are deductible to the extent permitted by § 20.2053-1 and this section. Further, the amount of the fees claimed as a deduction may not exceed a reasonable remuneration for the services rendered, taking into account the size and character of the estate, the law and practice in the jurisdiction in which the estate is being administered, and the skill and expertise of the attorneys.

(2) A deduction for attorneys' fees incurred in contesting an asserted deficiency or in prosecuting a claim for refund should be claimed at the time the deficiency is contested or the refund claim is prosecuted. A deduction for reasonable attorney's fees actually incurred in contesting an asserted deficiency or in prosecuting a claim for refund will be allowed to the extent permitted by § 20.2053-1 even though the deduction, as such, was not claimed on the estate tax return or in the claim for refund. A deduction for these fees shall not be denied, and the sufficiency of a claim for refund shall not be questioned, solely by reason of the fact that the amount of the fees to be paid was not established at the time that the right to the deduction was claimed.

(3) Attorneys' fees incurred by beneficiaries incident to litigation as to their respective interests are not deductible if the litigation is not essential to the proper settlement of the estate within the meaning of paragraph (a) of this section. An attorney's fee not meeting this test is not deductible as an administration expense under section 2053 and this section, even if it is approved by a probate court as an expense payable or reimbursable by the estate.

(d) Miscellaneous administration expenses. (1) Miscellaneous administration expenses include such expenses as court costs, surrogates' fees, accountants' fees, appraisers' fees, clerk hire, etc. Expenses necessarily incurred in preserving and distributing the estate, including the cost of storing or maintaining property of the estate if it is impossible to effect immediate distribution to the beneficiaries, are deductible to the extent permitted by § 20.2053-1. Expenses for preserving and caring for the property may not include outlays for additions or improvements; nor will such expenses be allowed for a longer period than the executor is reasonably required to retain the property.

(2) Expenses for selling property of the estate are deductible to the extent permitted by § 20.2053-1 if the sale is necessary in order to pay the decedent's debts, expenses of administration, or taxes, to preserve the estate, or to effect distribution. The phrase “expenses for selling property” includes brokerage fees and other expenses attending the sale, such as the fees of an auctioneer if it is reasonably necessary to employ one. Where an item included in the gross estate is disposed of in a bona fide sale (including a redemption) to a dealer in such items at a price below its fair market value, for purposes of this paragraph there shall be treated as an expense for selling the item whichever of the following amounts is the lesser: (i) The amount by which the fair market value of the property on the applicable valuation date exceeds the proceeds of the sale, or (ii) the amount by which the fair market value of the property on the date of the sale exceeds the proceeds of the sale. The principles used in determining the value at which an item of property is included in the gross estate shall be followed in arriving at the fair market value of the property for purposes of this paragraph. See §§ 20.2031-1 through 20.2031-9.

(3) Expenses incurred in defending the estate against claims described in section 2053(a)(3) are deductible to the extent permitted by § 20.2053-1 if the expenses are incurred incident to the assertion of defenses to the claim available under the applicable law, even if the estate ultimately does not prevail. For purposes of this paragraph (d)(3), “expenses incurred in defending the estate against claims” include costs relating to the arbitration and mediation of contested issues, costs associated with defending the estate against claims (whether or not enforceable), and costs associated with reaching a negotiated settlement of the issues.

(e) Effective/applicability date. This section applies to the estates of decedents dying on or after October 20, 2009.