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 California, 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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California Requirements for Codicil
Testamentary Capacity (California Probate Code § 6100.5)
The testator must be of sound mind and have the mental capacity to understand the nature of making a codicil, the extent of their property, and the natural objects of their bounty (their heirs).
Age Requirement (California Probate Code § 6100)
The testator must be at least 18 years of age or an emancipated minor to execute a valid codicil.
Writing Requirement (California Probate Code § 6110(a))
A codicil must be in writing to be valid in California. Oral codicils are not recognized under California law.
Signature Requirement (California Probate Code § 6110(b)(1))
The codicil must be signed by the testator, or by someone else in the testator's name while in the testator's presence and by the testator's direction.
Witness Requirements (California Probate Code § 6110(c))
The codicil must be witnessed by at least two persons who understand that the instrument they are signing is the testator's codicil and who are present at the same time to witness the testator's signing or acknowledgment of the signature.
Interested Witness Rule (California Probate Code § 6112)
A gift to a witness is void unless there are two other disinterested witnesses to the codicil, or unless the interested witness is also an intestate heir of the testator.
Self-Proving Affidavit (California Probate Code § 6110(c))
A codicil may be made self-proving at the time of its execution by complying with the requirements for a self-proving will, which involves the testator and witnesses signing affidavits before a notary public.
Holographic Codicil (California Probate Code § 6111)
A codicil that is entirely in the handwriting of the testator is valid without witnesses, provided that the signature and material provisions are in the testator's handwriting.
Revocation by Subsequent Instrument (California Probate Code § 6120(a))
A codicil may be revoked by a subsequent will or codicil that expressly revokes the prior codicil or contains provisions that are inconsistent with the prior codicil.
Revocation by Physical Act (California Probate Code § 6120(b))
A codicil may be revoked by being burned, torn, canceled, obliterated, or destroyed, with the intent and for the purpose of revoking it, by the testator or by another person in the testator's presence and at the testator's direction.
Integration with Original Will (California Probate Code § 6130)
A codicil must clearly reference the original will it is modifying and should be read together with the original will as one integrated document.
No-Contest Clause Enforcement (California Probate Code § 21311)
A no-contest clause in a will or codicil is enforceable against a direct contest brought without probable cause or against a creditor's contest.
Choice of Law Provisions (California Probate Code § 6113)
The meaning and legal effect of a codicil is determined by the law of the state designated in the codicil or, if none, by the law of the state where the testator was domiciled at the time of execution.
Incorporation by Reference (California Probate Code § 6130)
A codicil may incorporate by reference any writing in existence when the codicil is executed if the codicil manifests this intent and describes the writing sufficiently to identify it.
Republication by Codicil (California Probate Code § 6131)
The execution of a codicil referring to a previous will has the effect of republishing the will as modified by the codicil.
Electronic Wills and Codicils (California Probate Code § 6110-6113)
California does not currently recognize purely electronic wills or codicils. A physical document with proper signatures is required.
Simultaneous Death Provision (California Probate Code § 220)
If the order of deaths between the testator and a beneficiary cannot be determined, the beneficiary is deemed to have predeceased the testator for purposes of the codicil, unless the codicil contains language dealing explicitly with simultaneous deaths or deaths in a common disaster.
Federal Estate Tax Considerations (26 U.S.C. § 2001-2210 (Internal Revenue Code))
Codicils should be drafted with consideration of federal estate tax implications, including marital deductions, applicable exclusion amounts, and generation-skipping transfer taxes.
Americans with Disabilities Act Compliance (42 U.S.C. § 12101 et seq.)
Reasonable accommodations should be made for testators with disabilities to ensure they can execute a valid codicil, such as allowing alternative methods of signing for those physically unable to sign their name.
Uniform Probate Code Influence (Uniform Probate Code (as reference))
While California has not adopted the Uniform Probate Code in its entirety, some provisions of California law are influenced by UPC principles, which may be relevant for interpretation of codicil provisions.