Hearing-impaired users can only follow performances and discussions fully when the sound reaching them is boosted in both loudness and signal-to-noise ratio. An induction loop, infrared system or similar assistive listening system must therefore be installed at no fewer than one of the public information or service counters in a Table 2 building, and in that building's hall and auditorium where it has them, with the Division 13 sign for persons with hearing impairment marking its presence. The Best Practice Section covers coverage and receivers.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.