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CA · MED-POA · Updated July 2026 · Free

California Medical Power of Attorney

Review Status: PendingAuthor: Editorial TeamMethodology: Statutory Verification

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California at a glance: Witnesses Required: 2 witnesses OR notarization · Nursing Home Rule: Requires Ombudsman signature · Governing Law: Cal. Prob. Code § 4701

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Overview

Medical Powers of Attorney in California

In California, the Medical Power of Attorney is legally incorporated as the agent-designation part of the **Advance Health Care Directive** (Cal. Prob. Code § 4701). To be valid, it must be signed by the principal and either notarized OR signed by two qualified witnesses. If you reside in a skilled nursing facility, a state-appointed ombudsman or patient advocate must sign as a witness to prevent elder abuse.
Key Facts

California Medical Power of Attorney — Quick Reference

RequirementCalifornia Rule
Witnesses Required2 witnesses OR notarization
Nursing Home RuleRequires Ombudsman signature
Governing LawCal. Prob. Code § 4701
Minimum Age18 years old
Legal Requirements

California Legal Requirements

  • Must be signed by the principal and either notarized or witnessed by two adults.
  • Witnesses cannot be the appointed agent, your healthcare provider, or an operator of a community care facility.
  • If in a skilled nursing facility, an ombudsman must witness the signing.
Governing Laws

California Governing Laws

Cal. Prob. Code § 4701
Statutory Advance Directive
Provides the statutory form and rules for California healthcare agent designations.
Cal. Prob. Code § 4675
Ombudsman Witnessing
Mandates ombudsman witnessing for nursing facility patients.

Read the full text of these laws at Cornell Law School's California legal resources or your state legislature's official website.

Questions & Answers

California Medical Power of Attorney — Frequently Asked Questions

Can my California agent make decisions if I can still speak?

No. Unless you explicitly check a box in the agreement to grant immediate authority, your agent's power only begins when you are determined to lack capacity.

Can a co-owner of my business sign as a witness in California?

Yes, but the witness cannot be your designated agent or a medical professional treating you.