[§327G-8] Limitations on applicability of advance mental health care directive. (a) A supervising health care provider, health care provider, or health care institution may subject the principal to mental health treatment in a manner contrary to the principal's preferences and instructions as expressed in an advance mental health care directive only:
(b) Neither an advance mental health care directive nor this chapter limits any authority either to take an individual into custody or to admit, retain, or treat an individual in a health care institution pursuant to part IV of chapter 334. [L 2004, c 224, pt of §2]