Congrats! I believe they mailed the certificate the next day, as I followed up with them and they confirmed that. I anticipate it'll be in the mail either this week or early next week. Canada Post states that regular mail locally takes 2 business days. Not sure why IRCC say 2-4 weeks, maybe it's just to be on the "safe side", but most people seem to get it within 7-14 days.Congratulations!! I had mine on Dec 13, same as you after 13 months of applying. Any idea on when we will receive the citizenship certificate?