Supplementary Provisions, Article 4Transitional Measures Concerning Jurisdiction, etc.
第四条（管轄等に関する経過措置）
With regard to the jurisdiction and transfer of litigation that is pending at the time the New Act comes into effect, the provisions then in force continue to govern, except for matters concerning agreements establishing the court of jurisdiction and service, and matters provided for in Article 21 of the Supplementary Provisions.
With regard to an agreement establishing the court of jurisdiction made before the New Act comes into effect, the provisions then in force continue to govern, notwithstanding the provisions of the proviso to Article 16, paragraph (2), Article 20, the proviso to Article 145, paragraph (1) (including as applied mutatis mutandis under the New Act), the proviso to Article 146, paragraph (1) (including as applied mutatis mutandis under the New Act), and the proviso to Article 299 of the New Act.
新法の施行前にした管轄裁判所を定める合意に関しては、新法第十六条第二項ただし書、第二十条、第百四十五条第一項ただし書（新法において準用する場合を含む。）、第百四十六条第一項ただし書（新法において準用する場合を含む。）及び第二百九十九条ただし書の規定にかかわらず、なお従前の例による。