On April 8, 2022, South Korea's Ministry of Employment and Labor announced to initiate a nationalwide supervision campaign on MSDS. Korean manufacturers and importers are required to review internal management on MSDS and fill in the self-checklist from April 11, 2022 to May 31, 2022. The Basin/Regional Departments of Employment and Labor conduct spot checks from July 2022 on the compliance of units and rectify issues uncovered.