Cal. Code Regs. tit. 17, § 13601 – Definitions.

(a) “Mobile food preparation unit” means any wheeled vehicle upon which ready-to-eat food is cooked, wrapped, packaged, processed, or portioned for service, sale or distribution. This section does not apply to a “bakery delivery vehicle” as defined in Section 28524 of the Health and Safety Code or a vehicle used only for the sale or delivery of fresh meat, fish, poultry, or produce.
(b) “Mechanical refrigeration” means a unit which extracts heat from an area by means of liquefication and evaporation of a fluid by means of compressor or flame, or by means of a thermoelectric device. Acceptable mechanical refrigeration shall also include cold plates.

1. Amendment filed 11-28-72; effective thirtieth day thereafter. Approved by Building Standards Commission 11-10-72. (Register 72, No. 49).