Do I Need the Same Witnesses as the Will

Emily just called, distraught. She meticulously updated her estate plan last year, adding a codicil to leave a specific antique necklace to her granddaughter. She thought she’d followed all the rules – signed it, dated it… but now her family is telling her the codicil might be invalid. Why? Because she used different witnesses than she did for her original Will. The cost of potentially losing that inheritance, and the family conflict it’s created, is heartbreaking. It’s a common mistake, and one easily avoided with a little planning.

As an estate planning attorney and CPA with over 35 years of experience here in Escondido, I’ve seen firsthand how seemingly small errors in codicil execution can unravel years of careful planning. It’s frustrating for clients, and it creates unnecessary work – and expense – for everyone involved. Let’s break down the rules surrounding codicil witnesses in California, and how to make sure yours is legally sound.

What Happens if My Codicil Isn’t Properly Witnessed?

A codicil, simply put, is an amendment to your existing Last Will and Testament. It allows you to make changes without completely rewriting the document. However, it’s not a free-for-all. California law dictates specific requirements for its validity, and witness signatures are a critical component. If a codicil is invalidated, assets may force full probate; however, for deaths on or after April 1, 2025, estates under $208,850 (per CPC § 13100) may still qualify for simplified procedures. This limit is set until 2028.

The core issue isn’t having witnesses, but who those witnesses are. While you don’t legally have to use the same individuals who witnessed your original Will, using different witnesses introduces a greater risk of challenge. Why? Because a disgruntled heir could argue that the second set of witnesses weren’t present when you signed the codicil, or that you weren’t of sound mind. Proving the validity of a codicil with new witnesses requires more evidence, potentially leading to costly litigation.

Are There Specific Requirements for Codicil Witnesses?

Yes. California Probate Code Section 6110 outlines the requirements. You need two witnesses, and they must:

• Be present at the same time: Both witnesses must observe you signing (or acknowledging your signature on) the codicil.
• Understand you’re signing a legal document: They don’t need to know the contents of the codicil, but they need to understand they are witnessing a legal amendment to your estate plan.
• Be over the age of 18: Common sense, but it needs to be stated.
• Not be beneficiaries: Witnesses cannot be individuals who stand to inherit anything from your estate. This is a strict rule and could invalidate the entire Will if violated.

Using the same witnesses as your original Will streamlines the process. It eliminates potential arguments about whether they understood the nature of the document and their role. It builds a stronger, more defensible record of proper execution.

What About Holographic Codicils? Do They Need Witnesses?

Holographic codicils – those written entirely in your own handwriting – are an exception to the witnessing rule. Handwritten codicils are valid in California under Probate Code 6111, but only if the signature and material provisions (who gets what) are in your own handwriting. No witnesses or notary are required for this specific format. However, even with holographic codicils, clarity is key. Ambiguous language can still lead to disputes, and a properly witnessed traditional codicil offers greater legal security.

How Do Tax Implications Influence Codicil Updates?

As a CPA as well as an attorney, I always emphasize the importance of considering tax implications when updating your estate plan. The 2026 ‘tax cliff’ was averted by the OBBBA, which permanently increased the Federal Estate Tax Exemption to $15 million per person effective Jan 1, 2026. Old formula clauses should be reviewed to ensure they don’t over-fund trusts under these new limits. A codicil is the perfect vehicle for making these types of adjustments, but the changes need to be carefully drafted to avoid unintended consequences. For example, re-titling assets or establishing new trusts might trigger gift tax implications.

What About Digital Assets and LLC Ownership?

Today’s estate plans must address digital assets – online accounts, cryptocurrency, etc. A standard codicil often fails to include the specific RUFADAA language (CPC § 870) required to bypass federal privacy laws, potentially leaving your heirs locked out of crypto-wallets and email accounts. Similarly, if you own an LLC, you need to ensure your codicil reflects any changes to membership interests or operating agreements. As of March 2025, FinCEN has exempted domestic U.S. LLCs from BOI reporting; however, foreign-registered entities in the U.S. still face mandatory filing requirements and potential penalties. Failing to update these details can create significant administrative burdens for your heirs.

Updating your estate plan is a critical task, and a codicil is a valuable tool. However, proper execution, including careful witness selection, is paramount. Don’t let a technicality derail your carefully crafted wishes.

What makes a California will legally enforceable when it matters most?

In California, a last will and testament operates within a probate system that emphasizes intent, clarity, and procedural compliance. When properly drafted, a will does more than distribute property—it creates legally enforceable instructions that guide courts, fiduciaries, and beneficiaries through administration with fewer disputes and less uncertainty.

To ensure the will functions as intended, the executor must understand their executor duties, while the family should be prepared for the court supervision required to enforce the document.

When a will is drafted with California probate review in mind, it becomes a stabilizing roadmap rather than a source of conflict. Clear intent, proper authority, and compliant execution protect both families and estates.

Primary Legal Authorities Governing Probate and Estate Administration

• Probate & Local Court Rules:
  
  San Diego Superior Court – Probate Division
  
  Official Escondido County probate rules, filing procedures, examiner notes, and Local Rule 4.4.5 governing remote appearances and non-evidentiary hearings.
• Attorney Licensing & Ethical Standards:
  
  State Bar of California
  
  The authoritative source to verify attorney license status, disciplinary history, and current ethical rules governing California attorneys and client trust accounts.
• Judicial Council Forms & Self-Help:
  
  California Courts – Wills, Estates, and Probate
  
  State-issued probate forms and guidance, including small estate procedures, primary residence transfers under AB 2016, and executor responsibilities.
• Federal Estate & Gift Tax Law:
  
  IRS Estate Tax Guidelines
  
  Federal rules governing estate and gift tax filing, including the permanent 2026 OBBBA exemption of $15 million per individual.