You need proof ofcitizenship, either an old passport or a birth certificate and three photographs.
你需要能自证公民身份的证件，旧护照或出生证明都可以，另外还需要三张个人照片。
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If you were born outside Canada and one of your parents was a Canadian citizen when you were born, you need to apply for a citizenshipcertificate to prove you are a Canadian citizen.