This subchapter does not apply to a person who inhales, breathes, drinks or otherwise in any manner uses intoxicating liquor as defined by law. This section does not apply to a person who inhales, breathes, drinks or otherwise in any manner uses any narcotic, dangerous drug or other materials or substance or combination thereof, which material or substance or combination thereof is defined by, and the use of which is prohibited or regulated by law.
(Prior Code, § 925.13)