Synopsis As Introduced Amends the Pharmacy Practice Act. Provides that if a physician or other authorized prescriber does not prohibit drug product substitution, a pharmacist shall dispense a brand name drug product as a substitute for an unavailable nonbrand name drug product specified in the prescription. Provides that if the substitute drug product has a unit price greater than the unavailable drug product specified in the prescription, then the pharmacist shall dispense that substitute drug product at the lesser unit price of the drug product specified in the prescription. Amends the Regulatory Sunset Act to extend the repeal date for the Pharmacy Practice Act to January 1, 2020. Makes conforming changes. Effective immediately.