 On 22 October 2019, the 26-member National Hazardous Substances Committee (NHSC) changed paraquat, glyphosate ("Roundup"), and chlorpyrifos from Type 3 toxic substances to Type 4, effectively prohibiting their production, import, export, or possession.Their use will be prohibited as of 1 December 2019.On 27 November 2019, the NHSC amended that timetable, moving the date for the ban of paraquat and chlorpyrifos to 1 June 2020.