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 Hawaii, 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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Hawaii Requirements for Codicil
Testamentary Capacity (Hawaii Revised Statutes § 560:2-501)
The testator must be of sound mind, at least 18 years old, and understand the nature of making a codicil, the extent of their property, and the natural objects of their bounty.
Writing Requirement (Hawaii Revised Statutes § 560:2-502)
A codicil must be in writing to be valid under Hawaii law, as it is subject to the same formalities as a will.
Signature Requirement (Hawaii Revised Statutes § 560:2-502(a)(1))
The codicil must be signed by the testator or by someone else in the testator's conscious presence and at the testator's direction.
Witness Requirements (Hawaii Revised Statutes § 560:2-502(a)(3))
The codicil must be signed by at least two competent witnesses who witnessed either the signing of the codicil or the testator's acknowledgment of the signature or of the codicil.
Interested Witness (Hawaii Revised Statutes § 560:2-505)
A witness to a codicil who is also a beneficiary is not automatically disqualified, but the gift may be void unless there are at least two other disinterested witnesses.
Self-Proving Affidavit (Hawaii Revised Statutes § 560:2-504)
A codicil may be simultaneously executed with an attached affidavit of the testator and witnesses, making it self-proving and eliminating the need for witness testimony during probate.
Holographic Codicils (Hawaii Revised Statutes § 560:2-502)
Hawaii does not recognize holographic (handwritten, unwitnessed) codicils unless they comply with all statutory formalities.
Revocation by Physical Act (Hawaii Revised Statutes § 560:2-507)
A codicil may be revoked by a subsequent will or codicil that expressly revokes it, or by performing a revocatory act on the codicil with the intent to revoke.
Revival of Revoked Will (Hawaii Revised Statutes § 560:2-509)
If a codicil that revoked a previous will is itself revoked, the previous will is not revived unless it appears from the circumstances of the revocation or the testator's contemporary or subsequent declarations that revival was intended.
Choice of Law (Hawaii Revised Statutes § 560:2-506)
A codicil is valid if executed in compliance with Hawaii law or the law of the place where it was executed at the time of execution, or where the testator was domiciled at the time of execution or death.
Incorporation by Reference (Hawaii Revised Statutes § 560:2-510)
A codicil may incorporate by reference any document in existence when the codicil is executed if the codicil manifests this intent and sufficiently describes the document.
Events of Independent Significance (Hawaii Revised Statutes § 560:2-512)
A codicil may dispose of property by reference to acts and events that have significance apart from their effect upon the dispositions made by the codicil.
Contracts Concerning Succession (Hawaii Revised Statutes § 560:2-514)
A codicil cannot be used to change provisions in a will that were made pursuant to a contract to make or not revoke a will or devise.
Elective Share Protection (Hawaii Revised Statutes § 560:2-202)
A surviving spouse has the right to take an elective share of the decedent's estate, which may affect dispositions made in a codicil.
Pretermitted Children (Hawaii Revised Statutes § 560:2-302)
Children born or adopted after the execution of a will (and by extension, a codicil) who are not provided for in the will may be entitled to a share of the estate.
Ademption by Extinction (Hawaii Revised Statutes § 560:2-606)
If property specifically devised in a will or codicil is not in the testator's estate at death, the specific devisee has no right to it, subject to certain exceptions.
Antilapse Provisions (Hawaii Revised Statutes § 560:2-603)
If a devisee related to the testator predeceases the testator, the descendants of the devisee take by representation, unless the codicil provides otherwise.
Simultaneous Death (Hawaii Revised Statutes § 560:2-702)
If the testator and a beneficiary die in circumstances where it cannot be determined who survived the other, the beneficiary is deemed to have predeceased the testator for purposes of the codicil.
Tax Apportionment (Hawaii Revised Statutes § 560:3-916)
Estate taxes shall be apportioned among all beneficiaries in proportion to the value of their interests, unless the codicil expressly directs otherwise.
Federal Estate Tax Compliance (26 U.S.C. § 2001 et seq.)
The codicil must comply with federal estate tax laws, including proper documentation for any charitable deductions, marital deductions, or generation-skipping transfer tax exemptions claimed.