the provisions of Article 5 (excluding the provisions amending Articles 44 through 46 of the Worker Dispatching Act), the provisions of Article 7 and Article 8, the provisions of Article 6, Article 7, paragraph (1), Article 8, paragraph (1), Article 9, Article 11, Article 13 and Article 17 of the Supplementary Provisions, the provisions of Article 18 of the Supplementary Provisions (excluding the provisions set forth in the preceding item), the provisions of Article 19 of the Supplementary Provisions (excluding the provisions set forth in the preceding item), the provisions of Article 20 of the Supplementary Provisions (excluding the provisions set forth in the preceding item), the provisions of Article 21, Article 23 and Article 26 of the Supplementary Provisions, and the provisions of Article 28 of the Supplementary Provisions (excluding the provisions set forth in the preceding item): April 1, 2020