
California AB 660 Explained: The 'Sell By' Ban and New Food Date-Labeling Rules Effective July 1, 2026
California's AB 660 takes effect July 1, 2026, restricting packaged food to two standardized date labels — "BEST if Used by" for quality and "USE by" for safety — and banning consumer-readable "sell by" dates. Covers who must comply, exemptions, $1,000-per-violation penalties, the sell-through transition rule, and a five-step compliance checklist for manufacturers, co-packers, and retailers.










