Everyone involved with the contract, External Providers included, is aware of the specific arrangements in the quality plan that apply to their activities or area of responsibility. SRD.1: awareness reaches anyone working under the Supplier's control, subcontractors included, and is checked by shop-floor interviews. Base clause: ISO 9001:2015 7.3 (awareness).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.