Section 3201 Of Part 7. Capacity Determinations And Health Care Decisions For Adult Without Conservator From California Probate Code >> Division 4. >> Part 7.

. (a) A petition may be filed to determine that a patient has the capacity to make a health care decision concerning an existing or continuing condition.
  (b) A petition may be filed to determine that a patient lacks the capacity to make a health care decision concerning specified treatment for an existing or continuing condition, and further for an order authorizing a designated person to make a health care decision on behalf of the patient.
  (c) One proceeding may be brought under this part under both subdivisions (a) and (b).