Chipotle Mexican Grill is celebrating National Tortilla Chip Day, observed annually on Feb. 24, with a special three-day promotion. From Feb. 23 through Feb. 25, customers who make a digital order and buy a full-priced entrée can get a free side of chips and Queso Blanco with promo code “CHIPS26” at checkout. The offer is valid exclusively on the Chipotle app and official websites and cannot be redeemed in-store or via third-party delivery platforms.