This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions of Chapter I, Chapter III, Article 103, Article 106, Article 107, Article 110 (limited to the part concerning Article 80 (including as applied mutatis mutandis pursuant to Article 86 and Article 88, paragraph (2))), Article 112 (limited to the part concerning item (xii)), Article 114, and Article 115, and the provisions of Articles 5 through 9, Article 11, Articles 14 through 17, Article 18 (limited to the provisions amending Appended Table III of the Registration and License Tax Act (Act No. 35 of 1967)), Articles 20 through 23, and Article 26 of the Supplementary Provisions come into effect on the date of promulgation.

The provisions then in force continue to govern the application of penal provisions to conduct engaged in before this Act comes into effect and to conduct engaged in after this Act comes into effect in the cases in which prior laws are to continue to govern pursuant to the provisions of this Act.

Beyond what is provided for in these Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order.