Covers tanks for flushing, drinking water, firefighting, air conditioning, refrigeration, ablutions, cross-connection prevention, make-up and reserve; a drinking water tank may not directly supply water closets, bidets, flush valves, slop hoppers or similar flushing fixtures except as the flush valve clause allows (2003 text).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.