Drug schedules are important to monitor for control of abused substances. which are required for drug schedules to be monitored? check all that apply. copies of dea form 222 for ordering schedule ii drugs schedule i drug records kept separate from those for other drugs receipts and invoices for schedule v, iv, and iii drugs inventory records of scheduled drugs records of scheduled drugs dispensed a dea registration certificate records of scheduled drugs transfers lists of dates of schedule ii drug disposal