Understanding Codicils: A Simple Guide to Amending Your Will

Q: What exactly is a codicil?

A codicil is a legal document that amends, rather than replaces, a previously executed will. It's essentially a supplement that can add to, subtract from, or modify the provisions in your existing will. The word 'codicil' comes from Latin, meaning a 'little codex' or small addition to a document. Codicils must be executed with the same legal formalities as a will, including being signed, dated, and witnessed according to your state's laws.

Q: When should I use a codicil instead of creating a new will?

A codicil is typically appropriate for minor changes to your will, such as: changing an executor or trustee, adding or removing a specific bequest, updating a beneficiary's name (due to marriage or other circumstances), or clarifying language in the original will. However, if you're making substantial changes—like completely changing your beneficiaries, adding complex trust provisions, or if you've already made several codicils—it's often better to create a new will. For high net worth individuals with complex estates, consulting with an estate planning attorney is recommended before deciding between a codicil and a new will.

Q: How do I create a legally valid codicil?

To create a valid codicil: 1) Clearly reference your original will by title and date; 2) Explicitly state that this document is a codicil to your existing will; 3) Clearly describe the specific changes you're making; 4) Affirm that all other provisions of your original will remain in effect; 5) Sign and date the codicil; 6) Have it witnessed by the number of witnesses required in your state (typically two); and 7) Store it with your original will. While you can find codicil templates online, it's advisable to have an attorney review or prepare your codicil, especially for high net worth individuals or those with complex estates.

Q: As a single person without children, do I need to consider using codicils?

Yes, codicils can be particularly useful for single individuals without children. Your circumstances may change over time—you might develop new relationships, support different charities, or acquire new assets. A codicil allows you to make targeted updates to your will as your life evolves. For example, you might use a codicil to add a new niece or nephew as a beneficiary, change the friend designated as your executor, or modify a charitable bequest. Without children as natural heirs, it's especially important to keep your will current to ensure your assets go exactly where you intend.

Q: How are codicils useful for married individuals with children?

For married individuals with children, codicils offer flexibility as family dynamics change. You might use a codicil to: adjust inheritance distributions as children mature or have different needs, add provisions for new grandchildren, update guardianship designations for minor children, modify specific bequests of family heirlooms, or adjust trusts established for children. Codicils allow parents to fine-tune their estate plans without the expense and complexity of redrafting an entire will, ensuring their children and spouse are provided for according to current circumstances.

Q: What special considerations should high net worth individuals keep in mind regarding codicils?

High net worth individuals should approach codicils with extra caution. While codicils can be convenient, they may not be sufficient for significant estate changes. Consider: 1) Tax implications—even minor changes could have major tax consequences; 2) Complex asset structures—changes to business interests or investment portfolios might require more comprehensive revisions; 3) Multiple jurisdictions—if you have assets in different states or countries, a simple codicil might not address all legal requirements; 4) Potential for contests—multiple amendments can sometimes create confusion that leads to will contests. For substantial estates, it's often advisable to consult with specialized estate planning attorneys and possibly create a new will rather than adding multiple codicils.

Q: Can a codicil be challenged in court?

Yes, codicils can be challenged in court for the same reasons as wills: lack of testamentary capacity (the person wasn't mentally competent when creating it), undue influence (someone improperly pressured the person to make changes), fraud, or improper execution (not following legal formalities for signatures and witnesses). To minimize the risk of successful challenges: ensure proper execution according to your state's laws, document your mental capacity (especially for older individuals), keep clear records of why changes were made, and consider having your attorney document the process. For high net worth individuals whose estates are more likely to be contested, these precautions are particularly important.

Q: What are the alternatives to using a codicil?

The main alternative to a codicil is creating an entirely new will that revokes the previous one. This is often preferable when: making numerous or significant changes, your original will has already been amended multiple times, your life circumstances have changed dramatically (marriage, divorce, new children), or when tax laws have changed substantially. Other estate planning tools that might be used instead of or alongside codicils include: revocable living trusts (which can be amended without the formalities required for wills), transfer-on-death designations for certain assets, and powers of attorney for financial and healthcare decisions. An estate planning attorney can help determine the best approach for your specific situation.

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

1
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.
2
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.
3
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.
4
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.
5
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.
6
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.
7
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 South Dakota, a few decisions shape the document: which option to choose and what each one means. The Codicil guide walks through them.

Open the Codicil guide

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CODICIL TO THE LAST WILL AND TESTAMENT OF [FULL LEGAL NAME]

FIRST CODICIL

I, [FULL LEGAL NAME], residing at [CURRENT ADDRESS], born on [DATE OF BIRTH], Social Security Number XXX-XX-[LAST FOUR DIGITS], telephone number [PHONE NUMBER], email address [EMAIL ADDRESS], being of sound mind and memory, and under no constraint or undue influence, do hereby make, publish, and declare this to be the First Codicil to my Last Will and Testament dated [DATE OF ORIGINAL WILL] (hereinafter referred to as my "Will").

ARTICLE I: DECLARATION

1.1 I hereby declare that this document constitutes a Codicil to my Last Will and Testament executed on [DATE OF ORIGINAL WILL] in [CITY, STATE].

1.2 I further declare that I have the testamentary capacity to make this Codicil and that I am making this Codicil voluntarily and not as a result of fraud, duress, undue influence, mistake, or any other condition that would cause me to dispose of my property in a manner different than I would otherwise choose.

1.3 I acknowledge that my original Will is currently located at [LOCATION OF ORIGINAL WILL] and that [NUMBER OF PRIOR CODICILS, IF ANY] prior codicil(s) have been executed on [DATES OF PRIOR CODICILS, IF ANY].

ARTICLE II: SPECIFIC AMENDMENTS

2.1 I hereby amend Article [NUMBER] of my Will, Paragraph [NUMBER], which currently reads as follows:

"[QUOTE THE EXACT TEXT OF THE PROVISION BEING CHANGED]"

to be deleted in its entirety and replaced with the following:

"[NEW PROVISION TEXT]"

2.2 I hereby amend Article [NUMBER] of my Will, Paragraph [NUMBER], by adding the following language:

"[ADDITIONAL LANGUAGE TO BE ADDED]"

2.3 I hereby revoke Article [NUMBER] of my Will, Paragraph [NUMBER], in its entirety.

2.4 I hereby add a new Paragraph [NUMBER] to Article [NUMBER] of my Will, which shall read as follows:

"[NEW PARAGRAPH TEXT]"

ARTICLE III: BENEFICIARY CHANGES

3.1 I hereby amend my Will to [ADD/REMOVE/MODIFY] the bequest to [FULL LEGAL NAME OF BENEFICIARY], [RELATIONSHIP TO TESTATOR], as follows:

"I give, devise, and bequeath [DETAILED DESCRIPTION OF ASSET OR SPECIFIC DOLLAR AMOUNT] to [FULL LEGAL NAME OF BENEFICIARY], [RELATIONSHIP TO TESTATOR], currently residing at [BENEFICIARY'S ADDRESS], if [HE/SHE] survives me by thirty (30) days. If [FULL LEGAL NAME OF BENEFICIARY] fails to survive me by thirty (30) days, this bequest shall [DESCRIBE ALTERNATIVE DISPOSITION, SUCH AS "pass to my residuary estate" OR "pass to ALTERNATIVE BENEFICIARY NAME, RELATIONSHIP]."

3.2 The identification information for the beneficiaries referenced in this Codicil is as follows: a. [FULL LEGAL NAME OF BENEFICIARY 1], [DATE OF BIRTH], [RELATIONSHIP TO TESTATOR] b. [FULL LEGAL NAME OF BENEFICIARY 2], [DATE OF BIRTH], [RELATIONSHIP TO TESTATOR] c. [CONTINUE AS NEEDED]

ARTICLE IV: ASSET DISPOSITION CHANGES

4.1 I hereby amend my Will to modify the disposition of the following specific asset:

[DETAILED DESCRIPTION OF ASSET, INCLUDING SERIAL NUMBERS, ACCOUNT NUMBERS (PARTIALLY REDACTED FOR SECURITY), ADDRESSES, OR OTHER IDENTIFYING INFORMATION]

This asset shall now pass to [FULL LEGAL NAME OF NEW BENEFICIARY], [RELATIONSHIP TO TESTATOR], currently residing at [BENEFICIARY'S ADDRESS], if [HE/SHE] survives me by thirty (30) days. If [FULL LEGAL NAME OF NEW BENEFICIARY] fails to survive me by thirty (30) days, this asset shall [DESCRIBE ALTERNATIVE DISPOSITION].

4.2 The following conditions shall apply to this disposition: [DESCRIBE ANY CONDITIONS, SUCH AS AGE REQUIREMENTS, USE RESTRICTIONS, ETC.]

ARTICLE V: FIDUCIARY APPOINTMENTS

5.1 I hereby amend Article [NUMBER] of my Will to revoke the appointment of [FULL LEGAL NAME OF CURRENT EXECUTOR] as Executor of my estate and instead appoint [FULL LEGAL NAME OF NEW EXECUTOR], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as Executor of my estate. In the event that [FULL LEGAL NAME OF NEW EXECUTOR] is unable or unwilling to serve as Executor, I appoint [FULL LEGAL NAME OF ALTERNATE EXECUTOR], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as alternate Executor.

5.2 I hereby amend Article [NUMBER] of my Will to revoke the appointment of [FULL LEGAL NAME OF CURRENT GUARDIAN] as Guardian of my minor children and instead appoint [FULL LEGAL NAME OF NEW GUARDIAN], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as Guardian of the person and property of my minor children. In the event that [FULL LEGAL NAME OF NEW GUARDIAN] is unable or unwilling to serve as Guardian, I appoint [FULL LEGAL NAME OF ALTERNATE GUARDIAN], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as alternate Guardian.

5.3 I hereby amend Article [NUMBER] of my Will to revoke the appointment of [FULL LEGAL NAME OF CURRENT TRUSTEE] as Trustee of any trusts established under my Will and instead appoint [FULL LEGAL NAME OF NEW TRUSTEE], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as Trustee. In the event that [FULL LEGAL NAME OF NEW TRUSTEE] is unable or unwilling to serve as Trustee, I appoint [FULL LEGAL NAME OF ALTERNATE TRUSTEE], currently residing at [ADDRESS], telephone number [PHONE NUMBER], as alternate Trustee.

ARTICLE VI: RATIFICATION AND CONFIRMATION

6.1 Except as specifically amended by this Codicil, I hereby ratify, confirm, and republish my Will dated [DATE OF ORIGINAL WILL] in all respects.

6.2 All terms, definitions, and provisions of my Will shall apply to this Codicil unless specifically modified herein.

6.3 If any provision of this Codicil is determined to be invalid or unenforceable, such determination shall not affect the validity or enforceability of any other provision herein. Any invalid or unenforceable provision shall be deemed severed from this Codicil to the extent of its invalidity or unenforceability, and this Codicil shall be construed and enforced as if the Codicil did not contain that particular provision to the extent of its invalidity or unenforceability.

ARTICLE VII: REVOCATION OF PRIOR CODICILS

7.1 I hereby revoke any and all codicils to my Will executed prior to the date of this Codicil to the extent they conflict with the provisions contained herein.

7.2 In the event of any inconsistency between the provisions of this Codicil and any prior codicil, the provisions of this Codicil shall prevail.

ARTICLE VIII: TAX CONSIDERATIONS

8.1 I acknowledge that I have been advised of the potential tax implications of the changes made by this Codicil, including but not limited to potential estate, gift, generation-skipping transfer, and income tax consequences.

8.2 I direct my Executor to consult with appropriate tax professionals regarding the most tax-efficient methods of implementing the provisions of my Will as amended by this Codicil.

ARTICLE IX: REASONS FOR CHANGES

9.1 I am executing this Codicil for the following reasons: [DETAILED EXPLANATION OF REASONS FOR CHANGES, SUCH AS CHANGES IN FAMILY CIRCUMSTANCES, FINANCIAL SITUATION, RELATIONSHIPS, ETC.]

9.2 I acknowledge that this statement of reasons is not legally binding but is included to help establish my intent should this Codicil be challenged.

ARTICLE X: MISCELLANEOUS PROVISIONS

10.1 This Codicil shall be governed by and construed in accordance with the laws of the State of [STATE NAME], without giving effect to any choice of law or conflict of law provisions.

10.2 The headings used in this Codicil are for convenience only and shall not be used to interpret or construe its provisions.

10.3 Wherever the context so requires, the masculine gender includes the feminine and neuter, and the singular includes the plural, and vice versa.

10.4 This Codicil may be executed in multiple counterparts, each of which shall be deemed an original, but all of which together shall constitute one and the same instrument.

IN WITNESS WHEREOF, I, [FULL LEGAL NAME], the Testator, sign, publish, and declare this instrument as the First Codicil to my Last Will and Testament, this _____ day of ________________, [YEAR], in the presence of the undersigned witnesses, who witness and subscribe this Codicil at my request, and in my presence, and in the presence of each other.

[FULL LEGAL NAME], Testator

ATTESTATION CLAUSE

The foregoing instrument was signed, published, and declared by [FULL LEGAL NAME] as a Codicil to [HIS/HER] Last Will and Testament, in our presence, and we, at [HIS/HER] request and in [HIS/HER] presence, and in the presence of each other, have subscribed our names as witnesses thereto, believing said [FULL LEGAL NAME] to be of sound mind and memory at the time of signing.

Witness Signature

Printed Name

Address

City, State, ZIP

Witness Signature

Printed Name

Address

City, State, ZIP

SELF-PROVING AFFIDAVIT

STATE OF [STATE NAME] ) ) ss. COUNTY OF [COUNTY] )

We, [FULL LEGAL NAME], [WITNESS 1 FULL NAME], and [WITNESS 2 FULL NAME], the Testator and the witnesses, respectively, whose names are signed to the attached or foregoing instrument, being first duly sworn, do hereby declare to the undersigned authority that:

The Testator signed and executed the instrument as the Testator's Codicil to [HIS/HER] Last Will and Testament, and that [HE/SHE] executed it as [HIS/HER] free and voluntary act for the purposes therein expressed.
Each of the witnesses, in the presence and hearing of the Testator, signed the Codicil as witness and that to the best of [HIS/HER] knowledge the Testator was at that time eighteen (18) years of age or older, of sound mind, and under no constraint or undue influence.

[FULL LEGAL NAME], Testator

[WITNESS 1 FULL NAME], Witness

[WITNESS 2 FULL NAME], Witness

Subscribed, sworn to, and acknowledged before me by [FULL LEGAL NAME], the Testator, and subscribed and sworn to before me by [WITNESS 1 FULL NAME] and [WITNESS 2 FULL NAME], witnesses, this _____ day of ________________, [YEAR].

Notary Public My Commission Expires: _____________

INSTRUCTIONS FOR STORAGE AND DISTRIBUTION

This Codicil should be stored with the original Will dated [DATE OF ORIGINAL WILL] in a secure location such as [RECOMMENDED STORAGE LOCATION, E.G., SAFE DEPOSIT BOX, ATTORNEY'S OFFICE, COURT REGISTRY].
Copies of this executed Codicil should be provided to: a. [NAME OF EXECUTOR] b. [NAME OF ATTORNEY] c. [NAMES OF OTHER RELEVANT PARTIES]
The original Will and this Codicil should be reviewed periodically, particularly after major life events such as marriage, divorce, birth of children, death of beneficiaries, significant changes in assets, or relocation to another state.

South Dakota Requirements for Codicil

Testamentary Capacity (SDCL § 29A-2-501)
The testator must be of sound mind, at least 18 years old, and capable of understanding the nature of making a codicil, the extent of their property, and the natural objects of their bounty.
Writing Requirement (SDCL § 29A-2-502)
A codicil must be in writing to be valid under South Dakota law, as it is considered an amendment to a will.
Signature Requirement (SDCL § 29A-2-502)
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 (SDCL § 29A-2-502)
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.
Self-Proving Affidavit (SDCL § 29A-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 Codicil (SDCL § 29A-2-502(b))
A codicil that is handwritten by the testator may be valid without witness signatures if the signature and material portions are in the testator's handwriting.
Revocation by Subsequent Will (SDCL § 29A-2-507)
A codicil can be revoked by a subsequent will or codicil that expressly revokes the previous codicil or contains provisions inconsistent with it.
Revocation by Physical Act (SDCL § 29A-2-507)
A codicil can be revoked by the testator performing a revocatory act on the codicil with the intent to revoke, such as burning, tearing, canceling, or destroying.
Integration with Original Will (SDCL § 29A-2-509)
A codicil must clearly reference the original will it is amending and should be read together with the original will as one integrated document.
Choice of Law Provisions (SDCL § 29A-2-506)
A codicil is valid if executed in compliance with South Dakota law or the law of the place where executed at the time of execution, or where the testator was domiciled at the time of execution.
Interested Witness Rule (SDCL § 29A-2-505)
A codicil is not invalidated because it is signed by an interested witness (one who benefits under the codicil), though this may raise a presumption of undue influence.
Undue Influence Prohibition (SDCL § 29A-2-517)
A codicil or any part thereof procured by undue influence is void under South Dakota law.
Fraud Prohibition (SDCL § 29A-2-517)
A codicil or any part thereof procured by fraud is void under South Dakota law.
Duress Prohibition (SDCL § 29A-2-517)
A codicil or any part thereof procured by duress is void under South Dakota law.
Incorporation by Reference (SDCL § 29A-2-510)
A codicil may incorporate by reference any document in existence when the codicil is executed if the codicil manifests this intent and describes the document sufficiently.
Republication by Codicil (SDCL § 29A-2-509)
A properly executed codicil republishes the original will as modified by the codicil as of the date of the codicil's execution.
Simultaneous Death Provisions (SDCL § 29A-2-702)
If the order of deaths cannot be determined, the Uniform Simultaneous Death Act applies, which may affect provisions in a codicil.
Tax Apportionment (SDCL § 29A-3-916)
A codicil may include provisions for the apportionment of estate taxes among beneficiaries, which will override the default statutory provisions.
Electronic Wills and Codicils (SDCL § 29A-2-502)
South Dakota has not yet adopted provisions for electronic wills or codicils, so traditional execution requirements must be followed.
Federal Estate Tax Compliance (26 U.S.C. § 2001)
A codicil should consider federal estate tax implications, particularly for estates exceeding the federal exemption amount.

Frequently Asked Questions

What exactly is a codicil?

When should I use a codicil instead of creating a new will?

How do I create a legally valid codicil?

As a single person without children, do I need to consider using codicils?

How are codicils useful for married individuals with children?

What special considerations should high net worth individuals keep in mind regarding codicils?

Can a codicil be challenged in court?

What are the alternatives to using a codicil?

Introduction

Key Things to Know

Key decisions before you file

Customize your Codicil Template with DocDraft

CODICIL TO THE LAST WILL AND TESTAMENT OF [FULL LEGAL NAME]

FIRST CODICIL

ARTICLE I: DECLARATION

ARTICLE II: SPECIFIC AMENDMENTS

ARTICLE III: BENEFICIARY CHANGES

ARTICLE IV: ASSET DISPOSITION CHANGES

ARTICLE V: FIDUCIARY APPOINTMENTS

ARTICLE VI: RATIFICATION AND CONFIRMATION

ARTICLE VII: REVOCATION OF PRIOR CODICILS

ARTICLE VIII: TAX CONSIDERATIONS

ARTICLE IX: REASONS FOR CHANGES

ARTICLE X: MISCELLANEOUS PROVISIONS

ATTESTATION CLAUSE

SELF-PROVING AFFIDAVIT

INSTRUCTIONS FOR STORAGE AND DISTRIBUTION

South Dakota Requirements for Codicil

Testamentary Capacity (SDCL § 29A-2-501)

Writing Requirement (SDCL § 29A-2-502)

Signature Requirement (SDCL § 29A-2-502)

Witness Requirements (SDCL § 29A-2-502)

Self-Proving Affidavit (SDCL § 29A-2-504)

Holographic Codicil (SDCL § 29A-2-502(b))

Revocation by Subsequent Will (SDCL § 29A-2-507)

Revocation by Physical Act (SDCL § 29A-2-507)

Integration with Original Will (SDCL § 29A-2-509)

Choice of Law Provisions (SDCL § 29A-2-506)

Interested Witness Rule (SDCL § 29A-2-505)

Undue Influence Prohibition (SDCL § 29A-2-517)

Fraud Prohibition (SDCL § 29A-2-517)

Duress Prohibition (SDCL § 29A-2-517)

Incorporation by Reference (SDCL § 29A-2-510)

Republication by Codicil (SDCL § 29A-2-509)

Simultaneous Death Provisions (SDCL § 29A-2-702)

Tax Apportionment (SDCL § 29A-3-916)

Electronic Wills and Codicils (SDCL § 29A-2-502)

Federal Estate Tax Compliance (26 U.S.C. § 2001)

Frequently Asked Questions