You may need to provide the population registration certificate Family certificate if, for example, an authority or an insurance company request it, to show who belongs to your family. Family refers to your spouse and any children.
Foreign government agencies and embassies often want your population registration certificate to be stamped.
Cohabiting partners are not shown on this population registration certificate. If you need to show that you are living together, each of you has to order your own certificate for Address to show you have the same registered population address.