This is a form of succession, however there is a big difference between the Old Civil Codes and the Civil Codes today because Old Civil Codes says that property right will be given to a person and a new head of a family will be given all the property rights from the former head of a family.
相続の一形態であるが、前戸主から新戸主へ全ての財産権利が譲り渡される単独相続である点が現在の民法と大きく異なる。