ISO 19011:2018, 6.4.2 is followed with nothing added: guides and observers may accompany the team with approval and must not influence or interfere with the audit; the team leader may deny observers where that cannot be assured; guides appointed by the auditee assist the team, witness the audit on the auditee's behalf, arrange access and ensure the team's safety and security rules are known and followed.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.