Supplementary Provisions, Article 4Transitional Measures Concerning Litigation
第四条（訴訟に関する経過措置）
Where a petition for mediation of domestic relations has been filed under the provisions of the Former Act, the provisions of Article 257, paragraph (1), Article 272, paragraph (3) (including as applied mutatis mutandis pursuant to Article 277, paragraph (4)), Article 280, paragraph (5), Article 283 and Article 286, paragraph (6) apply by deeming that petition to be a petition for mediation of domestic relations under the provisions of the New Act.
旧法の規定による家事調停の申立てがあった場合においては、その申立てを新法の規定による家事調停の申立てとみなして、第二百五十七条第一項、第二百七十二条第三項（第二百七十七条第四項において準用する場合を含む。）、第二百八十条第五項、第二百八十三条及び第二百八十六条第六項の規定を適用する。
The provisions of Article 29, paragraph (4), Article 257, paragraph (2), Article 274, paragraph (1), Article 275, paragraph (1) and Article 276, paragraph (1) do not apply to an action filed before the enforcement of the New Act.
第二十九条第四項、第二百五十七条第二項、第二百七十四条第一項、第二百七十五条第一項及び第二百七十六条第一項の規定は、新法の施行前に訴えの提起があった訴訟については、適用しない。
the New Actmachine translation
「新法」
In the original supplementary provisions (附則) of the Domestic Relations Case Procedure Act, that Act itself (Act No. 52 of 2011).
Short name set inSupplementary Provisions, Article 1, paragraph (1)
the Former Actmachine translation
「旧法」
In Article 3 and Article 4, paragraph (1) of the original supplementary provisions (附則) of the Domestic Relations Case Procedure Act, the law on adjudication of domestic relations (家事審判法, Act No. 152 of 1947) that Article 3 of the Arrangement Act (整備法) abolished.
Short name set inSupplementary Provisions, Article 3, paragraph (1)· applies only in this article and in Supplementary Provisions, Article 4, paragraph (1)