• Chipotle Mexican Grill: On Saturday, Jan. 27, from 10:45 a.m. to 10 p.m., every Arizona Chipotle Mexican Grill restaurant will donate 50 percent of all fundraiser sales to the Southwest Autism Research and Resource Center. SARRC conducts research and supports families with children diagnosed with autism spectrum disorder. Customers must mention SARRC to the cashier before payment.

Submit items about charitable donations by local businesses or nonprofits to business@tucson.com; please use Giving Back in the email subject line and include photos in JPEG format. Sign up for a weekly update of business headlines at Tucson.com/business