6.3.1 and 6.3.2: computer counts are required for tenancy and whole building energy ratings only. A computer counts if it is a complete personal computer system (a system unit with at least one screen and keyboard: desktop, laptop or all-in-one, and thin clients) in regular use in a functional space; extra monitors or keyboards do not add systems, rack servers count only through the monitors in use, and where unclear the number of monitors set up for use decides. Incomplete systems (unit without monitor, docking station without laptop) are not counted, though a monitor showing an image is complete. Regular use needs a person at it, indirect signs of use, a manager's report, or verified booking records; systems in storage, obsolete, or used under half the time (low-use training rooms, server rooms, boardrooms, meeting rooms, stores) are not counted.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.