Legal Requirements?
If required to do so by law or in the good faith belief that such action is necessary to (i) comply with a legal obligation or lawful requests by public authorities, including meeting national security or law enforcement requirements and applicable law, rule, order, or regulation, (ii) protect and defend the rights or property of the Service, (iii) act in urgent circumstances to protect the personal safety of users of the Service or the public, or (iv) protect against legal liability.