Cal. Food & Agric. Code § 27644.5
(a) It is unlawful for an egg handler, as defined in Section 27510, to sell, offer for sale, or expose for sale pasteurized in-shell eggs that are packed for human consumption unless both of the following conditions are met:
(b) Except as provided in subdivision (c), it is unlawful for an egg handler to sell, offer for sale, or expose for sale pasteurized in-shell eggs that are packed for human consumption unless each container intended for sale to the ultimate consumer is labeled on one outside top, side, or end with all of the following:
(1) The words “Sell by” immediately followed by the month and day in bold type. Common abbreviations for months may be used.
(f)