Section 4750 Of Chapter 1. General Provisions From California Probate Code >> Division 4.7. >> Part 3. >> Chapter 1.

. Subject to this division:
  (a) An advance health care directive is effective and exercisable free of judicial intervention.
  (b) A health care decision made by an agent for a principal is effective without judicial approval.
  (c) A health care decision made by a surrogate for a patient is effective without judicial approval.