Final answer:
In Arizona, hard copies of electronic CII prescriptions and prescriptions from foreign countries must be stored for 2 years, ensuring compliance with regulations regarding controlled substances.
Step-by-step explanation:
In Arizona (AZ), per the requirements for managing controlled substances, hard copies of electronic prescriptions for Schedule II controlled substances (CII prescriptions), as well as prescriptions originating from foreign countries, must be retained for a period of 2 years. These records are vital for compliance with regulatory requirements and to ensure the integrity of the drug distribution system. The retention of such records is crucial in the event they must be reviewed by regulatory or law enforcement agencies to ensure adherence to all pertinent laws and regulations regarding controlled substances.