Creates the 340B Grantee Contract Pharmacy Access Act. Provides that no person, including a pharmaceutical manufacturer, may deny, restrict, or otherwise limit the acquisition of a 340B drug by a 340B grantee or a 340B contract pharmacy authorized to receive 340B drugs on behalf of the 340B grantee unless the acquisition is prohibited by federal law. Provides that the Department of Financial and Professional Regulation is authorized to enforce the Act and investigate possible violations of the Act by any person, including a pharmaceutical manufacturer. Sets forth provisions concerning preemption. Effective immediately.