Cal. Food & Agric. Code § 27643

(a) It is unlawful for an egg handler, as defined in Section 27510, to hold, store, transport, or display eggs that are packed or graded for human consumption unless the eggs are held, stored, transported, or displayed consistent with both of the following requirements:
1. (1) At an average ambient temperature of 45 degrees Fahrenheit, or lower.
2. (2) At a temperature equal to or less than the temperature requirement for holding, storing, transporting, or displaying eggs established by regulations of the United States Department of Agriculture in Title 7 of Part 56 of the Code of Federal Regulations governing the grading of shell eggs.
(b) Retail outlets that are regulated by this chapter, except for retail outlets located in shell egg packing or distribution facilities, are exempt from subdivision (a).
(c) Direct marketing activities, including certified farmers’ markets, as defined in Section 113742 of the Health and Safety Code, community food producers, as defined in Section 113752 of the Health and Safety Code, community-supported agriculture, as defined in Section 47060, and farm stands, as defined in Section 47050, are not required to comply with subdivision (a).
(d) Transport vehicles may exceed the 45 degree Fahrenheit maximum temperature required pursuant to subdivision (a) when eggs are either being loaded into the transport vehicle or unloaded from the transport vehicle. A transport vehicle shall be deemed to be in compliance with subdivision (a) if the transport vehicle is equipped and has in operation when eggs are in the transport vehicle a refrigeration unit delivering air at a temperature of 45 degrees Fahrenheit or lower.