(

a) A ward or conservatee shall not be placed in a mental health treatment facility under this division against his or her will. Involuntary civil placement of a ward or conservatee in a mental health treatment facility may be obtained only pursuant to

Chapter 2 (commencing with

Section 5150) or

Chapter 3 (commencing with

Section 5350) of Part of Division of the Welfare and Institutions Code. Nothing in this subdivision precludes the placing of a ward in a state hospital under

Section of the Welfare and Institutions Code upon application of the guardian as provided in that section. (

b) An experimental drug as defined in

Section of the Health and Safety Code shall not be prescribed for or administered to a ward or conservatee under this division. An experimental drug may be prescribed for or administered to a ward or conservatee only as provided in

Article 4 (commencing with

Section 111515) of

Chapter of Part of Division of the Health and Safety Code. (

c) Convulsive treatment as defined in

Section of the Welfare and Institutions Code shall not be performed on a ward or conservatee under this division. Convulsive treatment may be performed on a ward or conservatee only as provided in

Article 7 (commencing with

Section 5325) of

Chapter of Part of Division of the Welfare and Institutions Code. (

d) A minor shall not be sterilized under this division. (

e) This

chapter is subject to a valid and effective advance health care directive under the Health Care Decisions Law (Division 4.7 (commencing with

Section 4600)).