In addition, regarding changes of status (due to marriage, adoption or other backgrounds) family members need agreement of their head of a family, so the decision of leaving the household is made by the head of the family.
それに加え、家族の身分関係の変動（婚姻、養子縁組など）について戸主の同意を必要とするものがあったため、家族が家を去るか否かにつき戸主の意向に左右されることになる。