Section 590.50 - Egg temperature and labeling requirements(a) All shell eggs packed into containers destined for the ultimate consumer must be stored and transported under refrigeration at an ambient temperature of no greater than 45 °F (7.2 °C) and must bear safe handling instructions in accordance with 21 CFR 101.17(h) .(b) Any producer-packer with an annual egg production from a flock of 3,000 or fewer layers is exempt from the temperature and labeling requirements of this section. Such producer-packer is still required to comply with the labeling requirements in 21 CFR 101.17(h) . 85 FR 68674 , Oct. 29, 2020