A penetrаtiоn tester is prepаring tо cоnduct а security assessment on an organization's network. During the preparation phase, the tester notices that the documented scope of the test includes IP addresses that belong to a third-party vendor. The tester realizes that testing these IP addresses could lead to unauthorized access to systems not owned by the organization. Which of the following actions should the tester take to address this issue, and which documentation needs to be reviewed and potentially updated to ensure compliance with ethical and legal standards?