During what situation is it crucial to check the temperature of ground beef during delivery?

The important situation to check the temperature of ground beef is before accepting any delivery. This is crucial because ensuring that ground beef has been transported and delivered at the appropriate temperature is key to food safety. Ground beef must be kept at a temperature that prevents the growth of harmful bacteria. If the temperature is not within the safe range upon delivery, it poses a risk to food safety and can lead to foodborne illnesses.

When receiving ground beef, it's essential to use a food thermometer to verify that it has remained at safe temperatures throughout transport. This is a proactive measure that helps maintain sanitation and quality standards in the restaurant, ensuring that customers receive safe and high-quality food. The other scenarios do not directly relate to the immediate safety check required at the point of delivery.