Cap. 65 Art. 15CDPrescribed limits for tetrahydrocanna- binol.

For the purposes of articles 15BA, 15CA and 15CB the

permissible level of tetrahydrocannabinol in the blood shall be of

two (2) microgrammes per litre of blood for persons driving

vehicles, except for commercial vehicles, buses, coaches, other

vehicles carrying passengers for a fee and any M2 or M3 motor

vehicle. In those cases where a person only tests positive to tetrahydrocannabinol, such person shall be subject to the applicable punishment prescribed in article 15H: Provided that if a person who is not driving commercial vehicles, buses, coaches, other vehicles carrying passengers for a fee and any M2 or M3 motor vehicles tests positive to tetrahydrocannabinol, he may be required to submit to further testing, including blood tests. If the level of tetrahydrocannabinol exceeds the amount prescribed, such person shall be subject to the applicable punishment prescribed in article 15H: Provided further that if a person tests positive to other drug substances or alcohol besides tetrahydrocannabinol, he shall be subject to the applicable punishment prescribed in article 15H.