The Secretary shall administer this chapter. Except as otherwise provided in this chapter, the Secretary may delete or reschedule substances enumerated in the schedules of controlled substances only if:
(1) Such substances have been deleted from or rescheduled within the federal schedules of controlled substances by the Attorney General of the United States pursuant to 21 USC § 811, et seq.; and
(2) The findings required by this chapter for placement of substances in the schedules of controlled substances have been made.