Search

Search provisions, jump to a law or an article

1 article

Article 18

第十八条

A child who takes the surname of their parents joins the parents' family register.

父母の氏を称する子は、父母の戸籍に入る。

Except for the case referred to in the preceding paragraph, a child who takes the surname of their father joins the father's family register, and a child who takes the surname of their mother joins the mother's family register.

前項の場合を除く外、父の氏を称する子は、父の戸籍に入り、母の氏を称する子は、母の戸籍に入る。

An adopted child joins the family register of their adoptive parents.

養子は、養親の戸籍に入る。

Read this in its chapter

© 2026 japanlaw.orgA copy for reading and reference — not an official source, and not legal advice. Only the Japanese text published by the government has legal effect.SourcesTermsPrivacy