# California — Financial power of attorney execution requirements by US state — notary, witnesses, or both, quoted from the state's own statute

For California, execution requirement is The power of attorney is either (1) acknowledged before a notary public or (2) signed by at least two witnesses who satisfy the requirements of Section 4122; statute is Cal. Prob. Code § 4121, recorded from its source on 2026-09-02.

- **State:** California _(our reading, not quoted from the source)_
- **Execution requirement:** The power of attorney is either (1) acknowledged before a notary public or (2) signed by at least two witnesses who satisfy the requirements of Section 4122 _(verified: appears in the quote below)_
- **Statute:** Cal. Prob. Code § 4121 _(our reading, not quoted from the source)_

## What the source says

> A power of attorney is legally sufficient if all of the following requirements are satisfied: (a) The power of attorney contains the date of its execution. (b) The power of attorney is signed either (1) by the principal or (2) in the principal’s name by another adult in the principal’s presence and at the principal’s direction. (c) The power of attorney is either (1) acknowledged before a notary public or (2) signed by at least two witnesses who satisfy the requirements of Section 4122.

## Where each value comes from

This source states these in separate places, so each value is shown with the passage that states it.

### Statute

> California Code, PROB 4121.

## Source

- https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?sectionNum=4121.&lawCode=PROB

Last verified: 2026-09-02. Review by: 2028-09-01.
Part of [Financial power of attorney execution requirements by US state — notary, witnesses, or both, quoted from the state's own statute](https://referencesource.org/power-of-attorney-execution-requirements-by-state/).