An Act amending Title 75 (Vehicles) of the Pennsylvania Consolidated Statutes, in driving after imbibing alcohol or utilizing drugs, further providing for definitions, for driving under influence of alcohol or controlled substance and for authorized use not a defense.

SB 63 amends Pennsylvania's DUI law to clarify that non-commercial drivers using medical marijuana lawfully under the 2016 Medical Marijuana Act are exempt from the prohibition against having Schedule I controlled substances (including medical marijuana) in their blood. However, driving under the influence of medical marijuana or any impairing drug remains illegal, and possessing a medical marijuana card does not by itself justify a chemical test or arrest. The bill defines "medical marijuana" as per the state's Medical Marijuana Act and specifies that legal use of medical marijuana is not a defense against DUI charges. This change directly affects non-commercial drivers with medical marijuana cards and modifies law enforcement procedures for DUI cases involving medical marijuana.