Maintains regulatory compliance by coordinating with internal and external customers (clinicians, patients, patient family members, vendors, visitors, colleagues, etc.) in order to process assigned patient support services including patient appointments, prescription requests, office visits, phone calls, letters, and communication documentation. This statute allows employers to lawfully refuse to hire applicants for safety-sensitive jobs or to discipline or discharge employees who work in safety-sensitive jobs if they test positive for marijuana, even if they have a valid license to use medical marijuana.