Once a time/temperature control for safety food item is thawed, how many times can the food be refrozen?

If the food item falls under time/temperature control (e.g. protein containing items like meat, fish, sea-food, etc), it should not be refrozen after thawing.

Thawing, or defrosting is best done by leaving it in the fridge, under running water (if sealed in a bag), or direct cooking.

Ibelieve the answer to this question is a