This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding one year from the date of promulgation; provided, however, that the provisions set forth in the following items come into effect as of the days specified in those items.

If the date of enforcement of this Act comes before the date of enforcement of the Real Property Registration Act, then with regard to the application, until the day preceding the date of enforcement of that Act, of the provisions of Article 142, paragraphs (1) and (2) of the Real Property Registration Act (Act No. 24 of 1899), the phrase "pursuant to the provisions of the Act on Public Notification Procedures (Act No. 29 of 1890)" in paragraph (1) of that Article is deemed to be replaced with "prescribed in Article 141 of the Non-Contentious Case Procedures Act", and the phrase "judgment of nullification of right" in paragraph (2) of that Article is deemed to be replaced with "order of nullification of right prescribed in Article 148, paragraph (1) of the Non-Contentious Case Procedures Act".

With regard to the application of penal provisions to acts committed before this Act comes into effect and to acts committed after this Act comes into effect in the cases where the provisions then in force continue to govern pursuant to the provisions of these Supplementary Provisions, the provisions then in force continue to govern.

Beyond what is provided for in Articles 3 through 10, Article 29, and the preceding two Articles of the Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act are specified by Cabinet Order.