Canada shares documents to provide to proof Canadian citizen. Citizens can choose between two formats when applying: an electronic certificate (e-certificate) or a physical paper certificate. Older citizenship certificates issued in previous years remain valid, as do citizenship cards, although Canada stopped issuing those cards in February 2012. To update or replace a citizenship card, the government advises applying for a current citizenship certificate. Other documents for proof of Canadian citizenshipBeyond certificates and cards, several other documents are recognised as valid proof of citizenship.