This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year from the date of promulgation.

With regard to a worker for whom an employer has, at the time this Act comes into effect, obtained permission from the Director of the Prefectural Labor Bureau or the Director of the District Transport Bureau (including the Director of the Transport Supervision Department) under the provisions of Article 8 of the Minimum Wage Act prior to the amendment by this Act (hereinafter referred to as "the former Act"), or Article 8 of the former Act as applied with the replacement of terms pursuant to Article 40 of the former Act, the provisions of Article 4 of the Minimum Wage Act as amended by this Act (hereinafter referred to as "the new Act") do not apply for one year from the day this Act comes into effect; provided, however, that this does not apply where, within that period, the permission of the Director of the Prefectural Labor Bureau or the Director of the District Transport Bureau (including the Director of the Transport Supervision Department) has been obtained for that worker under the provisions of Article 7 of the new Act, or Article 7 of the new Act as applied with the replacement of terms pursuant to Article 35, paragraph (2) of the new Act.

With regard to the minimum wage decided, and in effect at the time this Act comes into effect, under the provisions of Article 11 of the former Act (including one amended under the provisions of Article 13 of the former Act), the provisions of Article 5 of the former Act remain in force for two years after this Act comes into effect.

The minimum wage decided for a specific region under the provisions of Article 16, paragraph (1) of the former Act, and in effect at the time this Act comes into effect (including one amended under the provisions of Article 16-3 of the former Act), is deemed to be a minimum wage decided under the provisions of Article 10, paragraph (1) of the new Act.

①The minimum wage decided for a specific business or occupation under the provisions of Article 16, paragraph (1) of the former Act, and in effect at the time this Act comes into effect (including one amended under the provisions of Article 16-3 of the former Act, but excluding one prescribed in the following Article), is deemed to be a minimum wage decided under the provisions of Article 15, paragraph (2) of the new Act.

②With regard to a minimum wage deemed under the provisions of the preceding paragraph to be a minimum wage decided under the provisions of Article 15, paragraph (2) of the new Act, the provisions of Article 3 of the new Act do not apply until a decision to amend or abolish that minimum wage under the provisions of that paragraph first takes effect on or after the day this Act comes into effect.

The minimum wage that is in effect at the time this Act comes into effect and applies to mariners (meaning mariners to whom the Mariners Act (Act No. 100 of 1947) applies), and that was decided under the provisions of Article 16, paragraph (1) of the former Act (including one amended under the provisions of Article 16-3 of the former Act), is deemed to be a minimum wage decided under the provisions of Article 35, paragraph (3) of the new Act.

With regard to the term of office of a person who is a member of the Central Minimum Wage Council or a Local Minimum Wage Council on the day preceding the day this Act comes into effect, the provisions then in force continue to govern.

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, transitional measures necessary for the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order.

The Government, with a target of five years after this Act comes into effect, is to take into consideration the status of enforcement of the provisions as amended by this Act, and other circumstances, and conduct a review of the approach to regulation under the provisions of the new Act, and, when it finds it necessary, is to take the necessary measures based on the results of that review.