This section establishes, for purposes of ORS 471.432, 807.060 and 813.500, when a person has a problem condition involving alcohol, inhalants or controlled substances. For purposes of ORS 471.432, 807.060 and 813.500, a person has a problem condition involving alcohol, inhalants or controlled substances if it is determined that the person has a problem condition in which the person’s health or that of others is substantially impaired or endangered or the person’s social or economic function is substantially disrupted because of the person’s:
(1) Habitual or periodic use of alcoholic beverages; or
(2) Use of or loss of the ability to control the use of controlled substances, inhalants or other substances with abuse potential including a condition that may have developed:
(a) A physical dependence in which the body requires a continuing supply of a drug, inhalant or controlled substance to avoid characteristic withdrawal symptoms; or
(b) A psychological dependence characterized by an overwhelming mental desire for continued use of a drug, inhalant or controlled substance. [1983 c.338 §589; 1999 c.126 §5; 1999 c.619 §9; 1999 c.646 §4]