Multi-agency Coordination
Encyclopedia
Multi-agency coordination (or MAC) is a generalized term which describes the functions and activities of representatives of involved agencies and/or jurisdictions who come together to make decisions regarding the prioritizing of incidents, and the sharing and use of critical resources. The MAC organization is not a part of an on-scene incident command system
and is not involved in developing incident strategy or tactics.
Incident Command System
The Incident Command System is "a systematic tool used for the command, control, and coordination of emergency response" according to the United States Federal Highway Administration...
and is not involved in developing incident strategy or tactics.