Canada needs to hand in a new passport to update the maple leaf card. Do you still need to hand in the invalid ones?

Need. Immigration Canada stipulates that the old and new passports must be provided when the maple leaf card is updated. The invalid old passport belongs to the old passport and needs to be submitted together with the new passport. In addition, the information on the expiration and renewal of the Canadian Maple Leaf Card also includes: Maple Leaf Card, Immigration Paper, sin Card, Canadian tax bill, address, postal code and telephone number, tax bill, etc.