Victorian Current Acts Victorian Current ActsFor the purposes of this Act, a person has a "severe substance dependence" if—
(a) the person has a tolerance to a substance; and
(b) the person shows withdrawal symptoms when the person stops using, or reduces the level of use of, the substance; and
(c) the person is incapable of making decisions about his or her substance use and personal health, welfare and safety due primarily to the person's dependence on the substance.