(a) A person carrying a firearm shall not:
(1) Consume alcohol or intoxicating liquor;
(2) Consume a controlled substance;
(3) Be under the influence of alcohol or intoxicating liquor; or
(4) Be under the influence of a controlled substance.
(b) As used in this section:
"Alcohol" and "intoxicating liquor" shall have the same meaning as in section 281-1.
"Controlled substance" means a drug, substance, or immediate precursor in schedules I through III of part II of chapter 329.
(c) Any person who violates this section shall be guilty of a misdemeanor; provided that any person who violates this section by consuming or being under the influence of alcohol or an intoxicating liquor shall be guilty of a petty misdemeanor.