请教更换枫叶卡，9月到期，去网上下载表格。。 

是不是IM5445，只填写这一份就好了吗？急请教了

5445 is only a guide (make sure you read, all information is included there) 5444 is the actual form you need. You also need to fill up a supplementary identification form, I think you need to order this one as it requires your signature on it.