Here are the COVID-19 testing, vaccine and mask rules for the Eric Church concert in Saskatoon

FILE - In this June 10, 2016 file photo, Eric Church performs at the CMA Music Festival at Nissan Stadium in Nashville, Tenn. (Photo by Al Wagner/Invision/AP, File) FILE - In this June 10, 2016 file photo, Eric Church performs at the CMA Music Festival at Nissan Stadium in Nashville, Tenn. (Photo by Al Wagner/Invision/AP, File)