Review each statement below and indicate if it is true or false. Scroll down to see all of the statements. When you are done, click on the Check button. 1. Emergency Operations Plans should be consistent with the National Incident Management System (NIMS). 2. The operational period is a fixed 12-hour period within which tactics must be completed. 3. Mutual aid is the mandatory provision of resources by agencies or organizations to assist each other when existing resources are inadequate. 4. All 50 states, the District of Columbia, Puerto Rico, Guam, and the U.S. Virgin Islands can participate in mutual aid through the Emergency Management Assistance Compact (EMAC)