List of individuals given permission and responsibility to order, change, and cancel any prescriptions created by the clinic. The CSA defines an “agent” as “an authorized person who acts on behalf of or at the direction of a manufacturer, distributor, or dispenser." 21 U.S.C. 802(3). Under the CSA, the term “dispense” includes “prescribing.” 21 U.S.C. 802(10).