Final answer:
The act used to penalize Sara for being in possession of a controlled substance without justification is the Controlled Substances Act.
Step-by-step explanation:
Law
Under the Law, the act used to penalize Sara for being in possession of a controlled substance without justification is the Controlled Substances Act.
The Controlled Substances Act is a federal law that classifies and regulates various drugs based on their potential for abuse and medical use. It penalizes individuals found to be in possession of controlled substances without a legitimate justification, such as a prescription.
Example: Sara was in possession of cocaine, a Schedule II controlled substance, without a prescription or any valid medical reason. As a result, she was detained and penalized under the Controlled Substances Act.