Cal. Probate Code § 4689 : California Probate Code — Health Care Decisions — Advance Health Care Directives — Powers Of Attorney For Health Care — Objection by principal to decision Date: 31 Aug 2016 TEXT PDF Current through the 2016 Legislative Session Nothing in this division authorizes an agent under a power of attorney for health care to make a health care decision if the principal objects to the decision. If the principal objects to the health care decision of the agent under a power of attorney, the matter shall be governed by the law that would apply if there were no power of attorney for health care. Ca. Prob. Code § 4689 EFFECTIVE 7/1/2000. Added October 10, 1999 (Bill Number: AB 891) (Chapter 658).