CA Health & Safety Code Section 114343

(a)

Except as otherwise provided in Section 113996, during operating hours of the temporary food facility, potentially hazardous food may be held at a temperature not to exceed 45°F for up to 12 hours in any 24-hour period.

(b)

At the end of the operating day, potentially hazardous food that is held at 45°F shall be destroyed in a manner approved by the enforcement agency.

(c)

At the end of the operating day, potentially hazardous food that is held at or above 135°F shall be destroyed in a manner approved by the enforcement officer.