Site Feedback

Title 26

Displaying title 26, up to date as of 7/09/2026. Title 26 was last amended 7/09/2026.
eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

Learn more about the eCFR, its status, and the editorial process.

Title 26Internal RevenuePart / Section
Chapter IInternal Revenue Service, Department of the Treasury1 – 899
Subchapter BEstate and Gift Taxes20 – 29
Part 20Estate Tax; Estates of Decedents Dying After August 16, 195420.0-1 – 20.7701-2
Introduction20.0-1 – 20.0-2
§ 20.0-1Introduction.
§ 20.0-2General description of tax.
Estates of Citizens or Residents
Tax Imposed20.2001-1 – 20.2010-3
§ 20.2001-1Valuation of adjusted taxable gifts and section 2701(d) taxable events.
§ 20.2001-2Valuation of adjusted taxable gifts for purposes of determining the deceased spousal unused exclusion amount of last deceased spouse.
§ 20.2002-1Liability for payment of tax.
§ 20.2010-0Table of contents.
§ 20.2010-1Unified credit against estate tax; in general.
§ 20.2010-2Portability provisions applicable to estate of a decedent survived by a spouse.
§ 20.2010-3Portability provisions applicable to the surviving spouse's estate.
Credits Against Tax20.2011-1 – 20.2016-1
§ 20.2011-1Credit for State death taxes.
§ 20.2011-2Limitation on credit if a deduction for State death taxes is allowed under section 2053(d).
§ 20.2012-1Credit for gift tax.
§ 20.2013-1Credit for tax on prior transfers.
§ 20.2013-2“First limitation”.
§ 20.2013-3“Second limitation”.
§ 20.2013-4Valuation of property transferred.
§ 20.2013-5“Property” and “transfer” defined.
§ 20.2013-6Examples.
§ 20.2014-1Credit for foreign death taxes.
§ 20.2014-2“First limitation”.
§ 20.2014-3“Second limitation”.
§ 20.2014-4Application of credit in cases involving a death tax convention.
§ 20.2014-5Proof of credit.
§ 20.2014-6Period of limitations on credit.
§ 20.2014-7Limitation on credit if a deduction for foreign death taxes is allowed under section 2053(d).
§ 20.2015-1Credit for death taxes on remainders.
§ 20.2016-1Recovery of death taxes claimed as credit.
Gross Estate20.2031-0 – 20.2046-1
§ 20.2031-0Table of contents.
§ 20.2031-1Definition of gross estate; valuation of property.
§ 20.2031-2Valuation of stocks and bonds.
§ 20.2031-3Valuation of interests in businesses.
§ 20.2031-4Valuation of notes.
§ 20.2031-5Valuation of cash on hand or on deposit.
§ 20.2031-6Valuation of household and personal effects.
§ 20.2031-7Valuation of annuities, interests for life or term of years, and remainder or reversionary interests.
§ 20.2031-8Valuation of certain life insurance and annuity contracts; valuation of shares in an open-end investment company.
§ 20.2031-9Valuation of other property.
§ 20.2032-1Alternate valuation.
§ 20.2032A-3Material participation requirements for valuation of certain farm and closely-held business real property.
§ 20.2032A-4Method of valuing farm real property.
§ 20.2032A-8Election and agreement to have certain property valued under section 2032A for estate tax purposes.
§ 20.2033-1Property in which the decedent had an interest.
§ 20.2034-1Dower or curtesy interests.
§ 20.2036-1Transfers with retained life estate.
§ 20.2037-1Transfers taking effect at death.
§ 20.2038-1Revocable transfers.
§ 20.2039-1Annuities.
§ 20.2039-1TLimitations and repeal of estate tax exclusion for qualified plans and individual retirement plans (IRAs) (temporary).
§ 20.2039-2Annuities under “qualified plans” and section 403(b) annuity contracts.
§ 20.2039-3Lump sum distributions under “qualified plans;” decedents dying after December 31, 1976, and before January 1, 1979.
§ 20.2039-4Lump sum distributions from “qualified plans;” decedents dying after December 31, 1978.
§ 20.2039-5Annuities under individual retirement plans.
§ 20.2040-1Joint interests.
§ 20.2041-1Powers of appointment; in general.
§ 20.2041-2Powers of appointment created on or before October 21, 1942.
§ 20.2041-3Powers of appointment created after October 21, 1942.
§ 20.2042-1Proceeds of life insurance.
§ 20.2043-1Transfers for insufficient consideration.
§ 20.2044-1Certain property for which marital deduction was previously allowed.
§ 20.2044-2Effective dates.
§ 20.2045-1Applicability to pre-existing transfers or interests.
§ 20.2046-1Disclaimed property.
Actuarial Tables Applicable Before June 1, 202320.2031-7A
§ 20.2031-7AValuation of annuities, interests for life or a term of years, and remainder or reversionary interests for estates of decedents for which the valuation date of the gross estate is before June 1, 2023.
Taxable Estate20.2051-1 – 20.2056A-13
§ 20.2051-1Definition of taxable estate.
§ 20.2052-1Exemption.
§ 20.2053-1Deductions for expenses, indebtedness, and taxes; in general.
§ 20.2053-2Deduction for funeral expenses.
§ 20.2053-3Deduction for expenses of administering estate.
§ 20.2053-4Deduction for claims against the estate.
§ 20.2053-5Deductions for charitable, etc., pledges or subscriptions.
§ 20.2053-6Deduction for taxes.
§ 20.2053-7Deduction for unpaid mortgages.
§ 20.2053-8Deduction for expenses in administering property not subject to claims.
§ 20.2053-9Deduction for certain State death taxes.
§ 20.2053-10Deduction for certain foreign death taxes.
§ 20.2054-1Deduction for losses from casualties or theft.
§ 20.2055-1Deduction for transfers for public, charitable, and religious uses; in general.
§ 20.2055-2Transfers not exclusively for charitable purposes.
§ 20.2055-3Effect of death taxes and administration expenses.
§ 20.2055-4Disallowance of charitable, etc., deductions because of “prohibited transactions” in the case of decedents dying before January 1, 1970.
§ 20.2055-5Disallowance of charitable, etc., deductions in the case of decedents dying after December 31, 1969.
§ 20.2055-6Disallowance of double deduction in the case of qualified terminable interest property.
§ 20.2056-0Table of contents.
§ 20.2056(a)-1Marital deduction; in general.
§ 20.2056(a)-2Marital deduction; “deductible interests” and “nondeductible interests”.
§ 20.2056(b)-1Marital deduction; limitation in case of life estate or other “terminable interest”.
§ 20.2056(b)-2Marital deduction; interest in unidentified assets.
§ 20.2056(b)-3Marital deduction; interest of spouse conditioned on survival for limited period.
§ 20.2056(b)-4Marital deduction; valuation of interest passing to surviving spouse.
§ 20.2056(b)-5Marital deduction; life estate with power of appointment in surviving spouse.
§ 20.2056(b)-6Marital deduction; life insurance or annuity payments with power of appointment in surviving spouse.
§ 20.2056(b)-7Election with respect to life estate for surviving spouse.
§ 20.2056(b)-8Special rule for charitable remainder trusts.
§ 20.2056(b)-9Denial of double deduction.
§ 20.2056(b)-10Effective dates.
§ 20.2056(c)-1Marital deduction; definition of “passed from the decedent.”
§ 20.2056(c)-2Marital deduction; definition of “passed from the decedent to his surviving spouse.”
§ 20.2056(c)-3Marital deduction; definition of “passed from the decedent to a person other than his surviving spouse”.
§ 20.2056(d)-1Marital deduction; special rules for marital deduction if surviving spouse is not a United States citizen.
§ 20.2056(d)-2Marital deduction; effect of disclaimers of post-December 31, 1976 transfers.
§ 20.2056(d)-3Marital deduction; effect of disclaimers of pre-January 1, 1977 transfers.
§ 20.2056A-0Table of contents.
§ 20.2056A-1Restrictions on allowance of marital deduction if surviving spouse is not a United States citizen.
§ 20.2056A-2Requirements for qualified domestic trust.
§ 20.2056A-3QDOT election.
§ 20.2056A-4Procedures for conforming marital trusts and nontrust marital transfers to the requirements of a qualified domestic trust.
§ 20.2056A-5Imposition of section 2056A estate tax.
§ 20.2056A-6Amount of tax.
§ 20.2056A-7Allowance of prior transfer credit under section 2013.
§ 20.2056A-8Special rules for joint property.
§ 20.2056A-9Designated Filer.
§ 20.2056A-10Surviving spouse becomes citizen after QDOT established.
§ 20.2056A-11Filing requirements and payment of the section 2056A estate tax.
§ 20.2056A-12Increased basis for section 2056A estate tax paid with respect to distribution from a QDOT.
§ 20.2056A-13Effective dates.
Estates of Nonresidents Not Citizens20.2101-1 – 20.2107-1
§ 20.2101-1Estates of nonresidents not citizens; tax imposed.
§ 20.2102-1Estates of nonresidents not citizens; credits against tax.
§ 20.2103-1Estates of nonresidents not citizens; “entire gross estate”.
§ 20.2104-1Estates of nonresidents not citizens; property within the United States.
§ 20.2105-1Estates of nonresidents not citizens; property without the United States.
§ 20.2106-1Estates of nonresidents not citizens; taxable estate; deductions in general.
§ 20.2106-2Estates of nonresidents not citizens; deductions for expenses, losses, etc.
§ 20.2107-1Expatriation to avoid tax.
Miscellaneous20.2202-1 – 20.2209-1
§ 20.2202-1Missionaries in foreign service.
§ 20.2203-1Definition of executor.
§ 20.2204-1Discharge of executor from personal liability.
§ 20.2204-2Discharge of fiduciary other than executor from personal liability.
§ 20.2204-3Special rules for estates of decedents dying after December 31, 1976; special lien under section 6324A.
§ 20.2205-1Reimbursement out of estate.
§ 20.2206-1Liability of life insurance beneficiaries.
§ 20.2207-1Liability of recipient of property over which decedent had power of appointment.
§ 20.2207A-1Right of recovery of estate taxes in the case of certain marital deduction property.
§ 20.2207A-2Effective date.
§ 20.2208-1Certain residents of possessions considered citizens of the United States.
§ 20.2209-1Certain residents of possessions considered nonresidents not citizens of the United States.
Procedure and Administration20.6001-1 – 20.7101-1
§ 20.6001-1Persons required to keep records and render statements.
§ 20.6011-1General requirement of return, statement, or list.
§ 20.6011-4Requirement of statement disclosing participation in certain transactions by taxpayers.
§ 20.6018-1Returns.
§ 20.6018-2Returns; person required to file return.
§ 20.6018-3Returns; contents of returns.
§ 20.6018-4Returns; documents to accompany the return.
§ 20.6036-1Notice of qualification as executor of estate of decedent dying before 1971.
§ 20.6036-2Notice of qualification as executor of estate of decedent dying after 1970.
§ 20.6060-1Reporting requirements for tax return preparers.
§ 20.6061-1Signing of returns and other documents.
§ 20.6065-1Verification of returns.
§ 20.6071-1Time for filing preliminary notice required by § 20.6036-1.
§ 20.6075-1Returns; time for filing estate tax return.
§ 20.6081-1Extension of time for filing the return.
§ 20.6091-1Place for filing returns or other documents.
§ 20.6091-2Exceptional cases.
§ 20.6107-1Tax return preparer must furnish copy of return to taxpayer and must retain a copy or record.
§ 20.6109-1Tax return preparers furnishing identifying numbers for returns or claims for refund.
§ 20.6151-1Time and place for paying tax shown on the return.
§ 20.6161-1Extension of time for paying tax shown on the return.
§ 20.6161-2Extension of time for paying deficiency in tax.
§ 20.6163-1Extension of time for payment of estate tax on value of reversionary or remainder interest in property.
§ 20.6165-1Bonds where time to pay tax or deficiency has been extended.
§ 20.6166-1Election of alternate extension of time for payment of estate tax where estate consists largely of interest in closely held business.
§ 20.6166A-1Extension of time for payment of estate tax where estate consists largely of interest in closely held business.
§ 20.6166A-2Definition of an interest in a closely held business.
§ 20.6166A-3Acceleration of payment.
§ 20.6166A-4Special rules applicable where due date of return was before September 3, 1958.
§ 20.6302-1Voluntary payments of estate taxes by electronic funds transfer.
§ 20.6314-1Duplicate receipts for payment of estate taxes.
§ 20.6321Statutory provisions; lien for taxes.
§ 20.6321-1Lien for taxes.
§ 20.6323-1Validity and priority against certain persons.
§ 20.6324-1Special lien for estate tax.
§ 20.6324A-1Special lien for estate tax deferred under section 6166 or 6166A.
§ 20.6324B-1Special lien for additional estate tax attributable to farm, etc., valuation.
§ 20.6325-1Release of lien or partial discharge of property; transfer certificates in nonresident estates.
§ 20.6601-1Interest on underpayment, nonpayment, or extensions of time for payment, of tax.
§ 20.6694-1Section 6694 penalties applicable to tax return preparer.
§ 20.6694-2Penalties for understatement due to an unreasonable position.
§ 20.6694-3Penalty for understatement due to willful, reckless, or intentional conduct.
§ 20.6694-4Extension of period of collection when preparer pays 15 percent of a penalty for understatement of taxpayer's liability and certain other procedural matters.
§ 20.6695-1Other assessable penalties with respect to the preparation of tax returns for other persons.
§ 20.6696-1Claims for credit or refund by tax return preparers or appraisers.
§ 20.6905-1Discharge of executor from personal liability for decedent's income and gift taxes.
§ 20.7101-1Form of bonds.
General Actuarial Valuations20.7520-1 – 20.7701-2
§ 20.7520-1Valuation of annuities, unitrust interests, interests for life or terms of years, and remainder or reversionary interests.
§ 20.7520-2Valuation of charitable interests.
§ 20.7520-3Limitation on the application of section 7520.
§ 20.7520-4Transitional rules.
§ 20.7701-1Tax return preparer.
§ 20.7701-2Definitions; spouse, husband and wife, husband, wife, marriage.