The manufacturer or importing supplier must look again at each SDS, and update it where needed, as often as it takes to keep the information current and accurate, and in any case no less often than every 5 years. The duty lapses where the substance has not been supplied to any person or premises at all for 5 years since the sheet was prepared or last revised (r 146(2)). It supports sections 29 and 30 of the Act.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.