Surveillance is treated as complying with Part 2 where the employee, or a body that represents a substantial number of the workforce there, has consented to surveillance of that site for some purpose other than watching employees, and the surveillance stays within what was agreed. An employer relying on this route keeps the agreement and confines the surveillance to its terms.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.