Where the holder owns or controls an autoclave or other heat-based decontamination equipment, it must make sure anyone about to use it can find out whether it has been monitored, calibrated and maintained as the Decontamination Methods in the Regulator's GMO transport, storage and disposal guidelines require. A notice on the equipment giving the dates and results is one way to do this.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.