All Canadian passports are issued by Passport Canada, an independent government agency under the purview of the Department of Citizenship and Immigration. They are normally valid for five or ten years, except those of children under age three which are valid for three years.mergency travel documents are one-use documents issued to Canadians for direct return to Canada or to another Canadian mission where full passport services may be obtained. The document contains details of the person, photo, travel details and expiry date of the document.