This Act shall enter into force one year after its promulgation：Provided that the amended provisions of Article 19 and Article 19-2 (1) and (2) shall enter into force on the date as classified in each of the following subparagraphs.
1. A business or a workplace in which 300 or more workers are ordinarily employed, a public institution pursuant to Article 4 of the Act on the Management of Public Institutions, a local public corporation and local public industrial complex under Articles 49 and 76 of the Local Public Enterprise Act：Jan. 1, 2016.
2. A business or a workplace in which fewer than 300 workers are ordinarily employed, the Government and local self-governing bodies：Jan. 1, 2017.