Final answer:
To properly reheat TCS food for hot-holding, it should be brought to an internal temperature of 165°F (74°C) for 15 seconds.
Step-by-step explanation:
The question pertains to the proper reheating of Time/Temperature Control for Safety (TCS) food for hot-holding. While the question seems to be referencing a duration expressed in seconds, it is typically required to reheat TCS food to a specific internal temperature rather than for a certain amount of time. The standard internal temperature requirement for reheating TCS food for hot-holding is 165°F (74°C) for 15 seconds.