This Act comes into effect on the date specified by Cabinet Order within a period not exceeding one year from the day of promulgation; provided, however, that the provisions of Article 4 of the Supplementary Provisions come into effect on the day of promulgation.

With regard to a dispute pertaining to mediation under Article 5, paragraph (1) of the Act on Promoting the Resolution of Individual Labor-Related Disputes (Act No. 112 of 2001) that is, at the time of the enforcement of this Act, actually pending before the Dispute Coordinating Committee under Article 6, paragraph (1) of that Act, the provisions then in force continue to govern, notwithstanding the provisions of Article 23 of the Act on Improvement of Personnel Management, etc. for Part-Time Workers after the amendment by this Act.

With regard to the application of penal provisions to an act committed before the enforcement of this Act, the provisions then in force continue to govern.

Beyond what is provided for in the preceding two Articles, transitional measures necessary in connection with the enforcement of this Act are specified by Cabinet Order.

In the case where five years have passed since the enforcement of this Act, if the Government finds it necessary in light of the status of the enforcement of the provisions of the Act on Improvement of Personnel Management, etc. for Part-Time Workers after the amendment by this Act, it is to review those provisions and take the necessary measures based on the results of that review.