Final answer:
One of the seven principles of HACCP is to establish procedures to verify that the food safety system is operating correctly. HACCP is a proactive food safety protocol developed to meet NASA's stringent requirements for space missions and is now utilized broadly across the food industry.c. Establish procedures to verify the system is working
Step-by-step explanation:
Among the seven principles of the Hazard Analysis and Critical Control Point (HACCP), c. Establish procedures to verify the system is working is one of them. This principle is integral in ensuring that the food safety system is effectively preventing hazards, rather than just identifying them after they have occurred. The development of HACCP was pioneered by the Pillsbury Company to meet NASA's need for high food safety standards during the space missions, and has since been widely adopted in various food industries.