Those documents are for immigrant application. It sounds like that they now ask for this application before they approve your sponsorship. Police certificate is not mandatory, but they strongly recommend to have it to avoid delay.其他论坛都陆续有08年前半年递交的人收到checklist,要求补材料的信件了
不过貌似要补交的东西很多啊
父母的出生公证,
父母结婚证公证,
户口本公证
父母的无犯罪公证
一类的
Those documents are for immigrant application. It sounds like that they now ask for this application before they approve your sponsorship. Police certificate is not mandatory, but they strongly recommend to have it to avoid delay.