Any person who has been committed or transferred to a facility for care and treatment pursuant to this chapter shall have a right to receive the care and treatment that is necessary for and appropriate to the condition for which he or she was committed or transferred and from which he or she can reasonably be expected to benefit. Each person shall have an individualized treatment plan. This plan shall be developed by appropriate mental health professionals, including a psychiatrist. Each plan must be developed within ten (10) days of a person’s admission to a facility.