Notwithstanding any other provision of this chapter, this chapter does not apply to an adult in a terminal condition who executes a directive directing the withholding or withdrawal of life-sustaining procedures pursuant to Section 7188. To the extent of any conflict, Division 4.7 (commencing with Section 4600) of the Probate Code prevails over the provisions of this chapter.
Source:
Section 24179.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=24179.5..