Answer:
the Controlled Substances Act
Step-by-step explanation:
The Controlled Substances Act (CSA) is a law aimed at regulating how drugs can be produced, used and sold within the US territory. The CSA regulates legal and also illegal chemical substances. The CSA imposes the condition to the persons and institutions who handle controlled drugs/chemicals (e.g., hospitals, pharmacies, doctors, scientific investigators, etc) to register with the DEA (Drug Enforcement Administration), whose main function is to enforce the CSA.