If you need to search for a birth, death or marriage record or obtain a certified copy of the related entry or certificate, you can use the Immigration Departmentâs quick-and-easy online service. This article will give you the details.he application fee that you need to pay will depend on the type of search or copy you require. 1  Particular Search (birth/death records): HK$140. 2  General Search (birth/death records): HK$680. 3  Certified copy of an entry in births/deaths register: HK$140 per copy. 4  Search of marriage records: HK$140.