For the purposes of this chapter, whenever the term mental illness appears, it shall include substance abuse. Whenever the term responsible person appears, it shall include a family member as that term is defined in § 37.2-100, a community services board or behavioral health authority, any treating physician of the person, or a law-enforcement officer. Whenever the term community services board or board appears, it shall include behavioral health authority.
Va. Code § 37.2-800