Supplementary Provisions, Article 3Principles of Transitional Measures
第三条（経過措置の原則）
The provisions of this Act (hereinafter referred to as the "New Act") (excluding penal provisions) also apply to matters that arose before the New Act comes into force, except as otherwise specifically provided in these Supplementary Provisions; provided, however, that this does not preclude the effect that arose under the provisions of the Personal Status Litigation Procedure Act before its abolition under the provisions of the preceding Article.
この法律（以下「新法」という。）の規定（罰則を除く。）は、この附則に特別の定めがある場合を除き、新法の施行前に生じた事項にも適用する。ただし、前条の規定による廃止前の人事訴訟手続法の規定により生じた効力を妨げない。
the New Actmachine translation
「新法」
In the supplementary provisions (附則) of the Personal Status Litigation Act (Act No. 109 of 2003), that Act itself, as distinct from the earlier 1898 law on personal status proceedings (人事訴訟手続法, Act No. 13 of 1898) that Article 2 of those provisions repealed.
Short name set inSupplementary Provisions, Article 3, paragraph (1)