Cal. Food & Agric. Code § 19304

All records required to be retained pursuant to this chapter shall be maintained for two years at the regular place of business of every renderer and collection center operator licensed pursuant to this article and every transporter registered pursuant to Article 6.5 (commencing with Section 19310). Those records shall be exhibited on demand to any peace officer or authorized employee of the Department of the California Highway Patrol and the Department of Food and Agriculture.