3. The sound level of the exhaust system of a motorcycle or moped may be measured by a sound level meter approved by the Minister of Transport and used by a peace officer who has successfully completed appropriate training. Two inspections, one before and one after its use, must indicate whether it is in proper working order.
The sound level measured by a sound level meter under the conditions set out in the first paragraph is proof of its accuracy, in the absence of any evidence to the contrary.