It shall be lawful for a person to manufacture, and for a practitioner to administer, Schedule I drugs if:
1. The manufacturer and practitioner are expressly authorized to engage in such activities by the Attorney General of the United States, or pursuant to the federal Food, Drug and Cosmetic Act;
2. The manufacturer or dispenser is registered under all appropriate provisions of this chapter;
3. Any Schedule I drug so manufactured is sold or furnished on an official written order to a practitioner or other authorized person only; and
4. The manufacturer and practitioner comply with all other requirements of this chapter.