(16F)Three hours proof of alcohol or drug concentration by laboratory test#

Evidence by an analyst or by a certificate referred to in subsection (16B) of the concentration of alcohol indicated to be present in, or of the drug or metabolite of the drug indicated to be present in, the blood of a person by a laboratory test of a specimen of the blood of that person is, subject to subsection (16G), conclusive evidence of the presence of the concentration of alcohol in, or the drug or the metabolite of the drug in, the blood of that person at the time (being in the case of such certificate the date and time stated therein) when the person provided the specimen and at a material time in any proceedings if the specimen was provided not more than 3 hours after such material time, and at all material times between those times.