Please provide confirmation that significant change requests (SCR) being submitted will be based on the current revision level of the system. If an SCR is submitted, prior to the system undergoing a transition assessment to Rev. 5, the SCR would leverage

Cloud service providers (CSPs) will be implementing Rev. 5 controls based on the plans created from their Rev. 4 to Rev. 5 gap analysis. SCRs will be based on Rev. 4 or Rev. 5 determined by those CSP-specific implementation plans, and as coordinated with your agency authorizing official (AO).