Understanding Codicils: A Simple Guide to Amending Your Will
Learn what a codicil is, when to use one, and how it can help you update your will without creating an entirely new document. Essential information for singles, parents, and high net worth individuals.
Introduction
A codicil is a legal document that allows you to make minor changes or additions to your existing will without having to rewrite the entire document. Think of it as an amendment or supplement to your will. Codicils must be executed with the same formalities as a will (signed, dated, and witnessed) to be legally valid. Whether you're single without children, married with a family, or have substantial assets, understanding how and when to use a codicil can save you time and money while ensuring your final wishes are properly documented and legally binding.
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Key Things to Know
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A codicil must be executed with the same legal formalities as a will—signed, dated, and properly witnessed according to your state's laws—to be valid.
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Store your codicil with your original will to ensure they're found together when needed. Consider informing your executor about the existence of both documents.
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Multiple codicils can create confusion and increase the risk of contradictions or legal challenges. If you've already made several codicils, creating a new will may be clearer.
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Life events such as marriage, divorce, birth of children, or significant changes in assets should trigger a review of your will and consideration of whether a codicil is appropriate.
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For high net worth individuals, even small changes via codicil can have significant tax implications. Always consult with a tax professional or estate attorney before making changes.
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Digital assets (cryptocurrency, online accounts, digital files) are increasingly important to include in estate planning. Consider using a codicil to address these if they weren't in your original will.
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Self-created codicils using online templates carry higher risks of invalidity. The modest cost of professional legal assistance is usually worth the peace of mind, especially for valuable estates.
Key decisions before you file
Before you file a Codicil in Washington DC, a few decisions shape the document: which option to choose and what each one means. The Codicil guide walks through them.
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Washington DC Requirements for Codicil
Testamentary Capacity (D.C. Code § 18-102)
The testator must be of sound mind and memory, and at least 18 years of age when executing the codicil.
Writing Requirement (D.C. Code § 18-103)
A codicil must be in writing to be valid in Washington DC.
Signature Requirement (D.C. Code § 18-103)
The codicil must be signed by the testator or by another person in the testator's presence and by the testator's express direction.
Witness Requirements (D.C. Code § 18-103)
The codicil must be attested and subscribed in the presence of the testator by at least two credible witnesses.
Interested Witness Rule (D.C. Code § 18-104)
A beneficial devise or legacy to a subscribing witness is void unless there are two other competent witnesses to the will or codicil.
Self-Proving Affidavit (D.C. Code § 18-106)
A codicil may be simultaneously executed with an attached affidavit of the testator and witnesses to make it self-proving.
Revocation by Subsequent Instrument (D.C. Code § 18-109)
A codicil may be revoked by a subsequent will or codicil that expressly revokes the prior codicil or contains provisions inconsistent with it.
Revocation by Physical Act (D.C. Code § 18-109)
A codicil may be revoked by burning, tearing, canceling, obliterating, or destroying with the intention of revoking it.
Reference to Existing Will (D.C. Code § 18-103)
The codicil must clearly reference the existing will that it is modifying, including the date of the original will.
Incorporation by Reference (D.C. Code § 18-107)
A codicil may incorporate by reference any document in existence at the time of executing the codicil.
Choice of Law Provisions (D.C. Code § 18-105)
A codicil is valid if executed in compliance with the law of the jurisdiction where executed or where the testator was domiciled at the time of execution.
Undue Influence Prohibition (Common Law as applied in D.C.)
A codicil is invalid if it was procured by undue influence, where someone exerted pressure that overcame the testator's free will.
Fraud Prohibition (Common Law as applied in D.C.)
A codicil is invalid if it was procured by fraud, such as false statements that induced the testator to make specific provisions.
Duress Prohibition (Common Law as applied in D.C.)
A codicil is invalid if it was executed under duress, where threats or force were used to compel the testator to make the document.
Testamentary Intent (Common Law as applied in D.C.)
The codicil must demonstrate the testator's intent that the document serve as a modification to their will.
Simultaneous Death Provisions (D.C. Code § 19-501 et seq.)
If the order of deaths cannot be determined, the Uniform Simultaneous Death Act applies, treating each person as having survived the other.
Tax Apportionment (D.C. Code § 47-3714)
The codicil may specify how estate taxes should be apportioned among beneficiaries, otherwise default rules apply.
Federal Estate Tax Compliance (26 U.S.C. § 2001 et seq.)
The codicil must consider federal estate tax implications for estates exceeding the federal exemption amount.
Generation-Skipping Transfer Tax (26 U.S.C. § 2601 et seq.)
The codicil must consider federal generation-skipping transfer tax implications for transfers to remote generations.
Rule Against Perpetuities (D.C. Code § 19-901 et seq.)
The codicil must comply with D.C.'s rule against perpetuities, which limits the duration of certain future interests in property.