Marijuana field test; testimony as to the results; consuming, etc., while in a motor vehicle.

Marijuana field test; testimony as to the results; consuming or possessing marijuana or marijuana products while in a motor vehicle or on public school grounds. Allows a law-enforcement officer to testify as to the results of any marijuana field test approved as accurate and reliable by the Department of Forensic Science regarding whether or not any plant material at issue is marijuana in a trial for a violation of using or consuming marijuana or marijuana products while in a motor vehicle being driven upon a public highway or consuming or possessing marijuana or marijuana products in or on public school grounds, provided the defendant has been given written notice of his right to request a full chemical analysis. Current law allows a law-enforcement officer to testify as to the results of a marijuana field test in a trial for underage possession or consumption of marijuana.