COVID-19 mask mandate in place. Premier Jason Kenney had said two weeks ago that one reason for the delay was he believed rural areas would not be open to following such a rule.But now, with new rules in place province-wide, all Albertans must wear masks in indoor public spaces, places of worship and indoor workplaces.Alberta’s new COVID-19 measures ban in-person dining; retail to remain open“As we’ve said since the beginning, masks can be an effective tool in reducing transmission,” Kenney said Tuesday.“The vast majority of Albertans have done the responsible thing through voluntary use of face coverings and we see that increasingly across the province.