What security feature must every pharmacy have during non-operating hours?

A functioning alarm service is essential for every pharmacy during non-operating hours to ensure the security and safety of the premises and its inventory. An active alarm system provides notification of unauthorized access or breaches, allowing for a rapid response to potential theft or vandalism. This security measure not only deters criminals but also can provide peace of mind to pharmacy staff and the surrounding community.

While other options, such as security guards, video surveillance systems, and access control systems, contribute positively to the overall security of a pharmacy, they are not universally mandated as basic requirements for non-operating hours in the same way that a functioning alarm service is. Alarm systems are often considered a foundational element of security protocols, representing a critical first line of defense to protect the pharmacy's assets during times when it is closed to the public.