(1) No person shall knowingly sell tobacco products or an inhalant delivery system to a person under 21 years of age. For the purposes of this section, tobacco products and inhalant delivery systems are those described in ORS 431A.175.

(2) A person who sells tobacco products or inhalant delivery systems described in subsection (1) shall display a sign clearly stating that the sale of such items to persons under 21 years of age is prohibited by law.

(3) Violation of subsection (1) of this section constitutes a specific fine violation punishable by a fine of $50.

(4) Violation of subsection (2) of this section constitutes a violation punishable as provided in section 5.990(5).