Final answer:
According to the Federal Comprehensive Drug Abuse and Control Act, an inventory of all controlled substances must be made on an annual basis.
Step-by-step explanation:
According to the Federal Comprehensive Drug Abuse and Control Act, an inventory of all controlled substances must be made on an annual basis.
This means that the Act requires individuals or entities that handle controlled substances, such as pharmacies or healthcare facilities, to conduct a thorough count and record of their controlled substances inventory every year.
Therefore, the statement is true.