Ind. Code § 35-47-5-2.5
(a) As used in this section, "knife" means an instrument that:
(c) A person who recklessly, knowingly, or intentionally possesses a knife on:
(3) a special purpose bus (as defined in IC 20-27-2-10 );
commits a Class B misdemeanor. However, the offense is a Class A misdemeanor if the person has a previous unrelated conviction under this section and a Level 6 felony if the offense results in bodily injury to another person.
(d) This section does not apply to a person who possesses a knife:
(1) if:
As added by P.L.72-2006, SEC.9. Amended by P.L.114-2012, SEC.140; P.L.158-2013, SEC.592; P.L.22-2023, SEC.3.