California: How casinos are enforcing mask, smoking rules during coronavirus Alex Groves, Press-Enterprise · July 2, 2020 at 7:05 am Casinos have reopened in Southern California, but there are rules in the new normal created by the novel coronavirus pandemic. All of the tribal-owned casinos require guests to wear masks inside and have social distancing guidelines. Some have specific smoking rules. Readers have emailed us wondering how casinos enforce their COVID-19 rules, so we asked each property. Many said they start off with a warning, or several, before they have to get serious. Here’s what tribal-owned casinos across Southern California said about their new policies and enforcement: Agua Caliente Casino Palm Springs and Agua Caliente Resort Casino Spa Rancho Mirage Dawn Petrick, media and community relations manager for the Agua Caliente Casinos, wrote that the casinos’ hospitality teams make sure that all guests and team members wear masks and social distance from the time they come in.