The Arbiter might remove GNT# at any time. A device that loses GNT# may complete its present-day transaction, but may not start one (by asserting FRAME#) Except it observes GNT# asserted the cycle in advance of it starts. You have the best to mandate an NGO to lodge a criticism https://nathanlabsadvisory.com/navigating-cybersecurity-and-risk-management/