Section 4676 Of Article 1. General Provisions From California Probate Code >> Division 4.7. >> Part 2. >> Chapter 1. >> Article 1.
4676
. (a) A written advance health care directive or similar
instrument executed in another state or jurisdiction in compliance
with the laws of that state or jurisdiction or of this state, is
valid and enforceable in this state to the same extent as a written
advance directive validly executed in this state.
(b) In the absence of knowledge to the contrary, a physician or
other health care provider may presume that a written advance health
care directive or similar instrument, whether executed in another
state or jurisdiction or in this state, is valid.