This Act comes into effect as of the day specified by Cabinet Order within a period not exceeding six months from the date of promulgation; provided, however, that the provisions of the following Article and Article 6 of the Supplementary Provisions come into effect as of the date of promulgation.

A person who intends to obtain the registration under Article 14, paragraph (1) of the Act on Regulation of Transmission of Specified Electronic Mail as amended by this Act (hereinafter referred to as "the new Act") may file an application for it even before this Act comes into effect. The same applies to the notification of operational rules under the provisions of Article 20, paragraph (1) of the new Act.

A person who, at the time this Act comes into effect, has been designated under the provisions of Article 13, paragraph (1) of the Act on Regulation of Transmission of Specified Electronic Mail prior to amendment by this Act (referred to as "the former Act" in the following Article) is deemed to have obtained the registration under Article 14, paragraph (1) of the new Act until the day on which six months have elapsed, counting from the date on which this Act comes into effect.

Beyond what is provided for in the preceding Article, a disposition, procedure or other act carried out before this Act comes into effect pursuant to the provisions of the former Act (including orders based on them), for which the new Act has corresponding provisions, is deemed to be a disposition, procedure or other act carried out pursuant to those provisions.

With regard to the application of penal provisions to acts committed before this Act comes into effect, the provisions then in force continue to govern.

Beyond what is provided for in Article 2 through the preceding Article of the Supplementary Provisions, the Transitional Measures necessary for the enforcement of this Act (including Transitional Measures concerning penal provisions) are specified by Cabinet Order.

The Government is to, within three years after this Act comes into effect, examine the status of the enforcement of this Act, while taking into consideration the level of technology relating to telecommunications and other circumstances, and take necessary measures based on the results.