What must a pharmacy do if it is given permission to operate while the RX department is closed?

When a pharmacy is permitted to operate while the prescription department is closed, it is essential to maintain clear communication regarding the hours of operation to ensure that customers are informed about when they can access services. Posting the hours of operations at all entrances serves this crucial need by providing visibility to anyone approaching the pharmacy. This transparency helps avoid confusion, allowing patients to understand when they can receive their prescriptions or consult pharmacy staff about their medications.

Effective communication is central to pharmacy operations, especially when certain services are temporarily unavailable. Posting hours at entrances provides a straightforward solution that aligns with regulatory expectations for informing the public and allows the pharmacy to maintain transparency while still accommodating customers during the allowed operational hours.

Other actions such as permanently changing operating hours or notifying customers via email might not be practical solutions in this specific scenario, as they do not directly address the immediate need for public notification of operating hours at the premises. Closing the pharmacy until the RX services are available would deprive customers of access to other pharmacy services, which is not necessarily required. Thus, the chosen answer is the most relevant and direct response to the situation presented.