Beginning January 1, 2022, the majority of employers in Philadelphia will be prohibited from requiring prospective employees to undergo testing for the presence of marijuana as a condition of employment. New York City and Nevada have similar laws in place and others are expected to follow. Exceptions apply to individuals applying to work in law enforcement positions; any position requiring a commercial driver’s license; any position requiring the supervision or care of children, medical patients, disabled or other vulnerable individuals; and any position in which the employee could significantly impact the health or safety of other employees or members of the public.