Office of Foreign Affairs Commission of the CPC Hunan Provincial Committee
Foreign Affairs Office of Hunan Provincial People's Government
Hong Kong and Macao Affairs Office of Hunan Provincial People's Government
Hunan Provincial People's Association for Friendship with Foreign Countries
答:外国人申请居留证件延期,应当在居留证件有效期限届满30日前向公安机关出入境管理机构提出申请,并提供与申请事由相关的证明材料。经审查,延期理由合理充分的,准予延长居留期限;不予延长居留期限的,应当按期离境。