ISO 19011:2018, 5.5.3 is followed (methods chosen for the objectives, scope and criteria, on-site, remote or combined, balanced against risks and opportunities), and for a joint audit, special care should go into what information passes between the parties involved, with every interested party agreeing it before the audit starts.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.