加拿大旅游签证,父母不随行同意函可以用父母的身份证吗?今天收到来信要我提供Parent Authorization to Travel。这个东西怎么写啊?另外:Signed letter of authorization from the non accompanying parent(s) authorizing your travel to Canada. Must be accompanied by a copy of their passport or national id clearly showing their signature.这是要求,第二句话什么意思啊?一定要父母的护照还是身份证?我母亲护照丢了。怎么办?