Everything you need to know about COVID-19 in Alberta on Tuesday, Dec. 22 Alberta will make a one-time exemption to its gathering rules for people who live alone, allowing them to visit another household once between Dec. 23 and 28. Social Sharing CBC News · Posted: Dec 22, 2020 10:32 AM MT | Last Updated: December 22, 2020 Transport Canada says the majority of tickets and warning letters issued for refusing to wear a mask on a flight involves Alberta. (David J. Phillip/The Associated Press)