WAC 246-215-03505
WAC 246-215-03505. Temperature and time control — Time/temperature control for safety food, slacking (FDA Food Code 3-501.12)
Frozen Time/temperature control for safety food that is slacked to moderate the temperature must be held:
(1) Under refrigeration that maintains the food temperature at 41°F (5°C) for less; or
(2) At any temperature if the food remains frozen.