How to fill in the child's birthplace in the household registration book?

In the household registration book, the place of birth of the child should be filled in with grandpa's place of residence (household registration location) when the child was born, and the standard filling method of everyone's place of birth is filled in according to this requirement.

According to the document of the Ministry of Public Security [1995]9 1, a citizen's native place should be his grandfather's place of residence (domicile) when he was born; If grandfather died, fill in the location of the household registration at the time of grandfather's death; If the grandfather has not left the permanent residence, fill in that the grandfather should leave the permanent residence; After a citizen registers his native place, if his grandfather moves his household registration, his native place will remain unchanged.