(a) For purposes of section 25993.1 of the Health and Safety Code, any written certification from a supplier to a buyer engaged in commercial sales of shell eggs or liquid eggs that were not derived from an egg-laying hen confined in a cruel manner shall be based upon an audit trail as defined in section 1320(b) of this Article, and shall be traceable to egg producers compliant with all requirements of section 1320.1 of this Article.

(b) A retailer or food processing facility that is an end-user and takes physical possession, whether by use of a common carrier, private carrier, or other means of conveyance, of shell eggs or liquid eggs at, or directly from, an official plant at which mandatory inspection is provided under the federal Egg Products Inspection Act (21 U.S.C. Sec. 1031 et seq.), that holds an establishment number (prefix “G”) granted by the Food Safety Inspection Service of the United States Department of Agriculture, and that does not hold a valid egg distributor registration, shall:

(c) Subsection (b) of this section shall not apply to a shell egg or liquid egg end-user that is an official plant at which mandatory inspection is provided under the federal Egg Products Inspection Act (21 U.S.C. Sec. 1031 et seq.) and that holds an establishment number (prefix “G”) granted by the Food Safety Inspection Service of the United States Department of Agriculture.