(1) A school district or the state charter school institute shall not prohibit a student of the school district or institute charter school from or discipline a student of the school district or institute charter school for possessing or administering an opiate antagonist on school grounds, on a school bus, or at any school-sponsored event.
(2) A school, school district, or the state charter school institute shall not prohibit a student of the school district or institute charter school from possessing a non-laboratory synthetic opiate detection test, as defined in section 22-1-119.2 (2)(b), or non-laboratory additive detection test, as defined in section 22-1-119.2 (2)(a), on school grounds, on a school bus, or at any school-sponsored event.
(3) A student is not subject to civil liability or criminal prosecution if the student acts as specified in section 13-21-108.7, 13-21-108.8, or 18-1-712.