Final answer:
The Recall Communication Program is a vital initiative designed to notify restaurants when a product recall has occurred to ensure food safety.
Step-by-step explanation:
The Recall Communication Program is specifically designed to notify restaurants by phone when D. a product recall has occurred. This program is a critical component of the food service industry's response plan, allowing restaurants to react promptly for the safety and well-being of their customers. When a product recall is issued, it means that there is a concern that a food product may be contaminated or otherwise unsafe for consumption. The Recall Communication initiative ensures that this vital information reaches restaurant operators as quickly as possible, so they can remove the affected products from their inventory, thus preventing any potential health risks to consumers.