GlossaryEmergency management
Emergency Management Assistance Compact
EMAC is a framework for emergency assistance between member states and territories. Learn how it differs from local mutual aid and federal assistance.
The Emergency Management Assistance Compact (EMAC) is a legally established mutual-aid framework through which member states and territories can provide emergency assistance to one another. It supports agreed missions involving personnel, equipment, services, or other resources. It is not a standing federal response team or an automatic shipment of aid whenever a disaster occurs.
How to read an EMAC record
The compact's official program description explains assistance during governor-declared emergencies or disasters and identifies EMAC as a congressionally ratified compact. Its mission arrangements matter: a request, an offer, an accepted mission, and completed work are distinct stages.
A public summary may identify the sending and receiving states, mission type, personnel, and period. It does not necessarily state the final cost or reimbursement result. Those details require the mission agreement and financial records.
Example
Hypothetical example: A state requests an assessment team through EMAC after a hurricane. Another state offers qualified personnel for a defined mission, and the receiving state accepts the assignment.
The arrangement documents interstate support for specified work. It does not mean the sending state's personnel have assumed control of every local response function. Their role follows the accepted mission and applicable legal arrangements.
Common confusion
Local mutual aid is a broader concept and can occur under different agreements. Not every crossing of a state line is an EMAC mission.
Federal assistance is another pathway. EMAC's interstate framework should not be described as a federal agency deploying its own employees merely because the mission concerns a major disaster.
Scope and documentation
Read the request, accepted mission, dates, assigned capabilities, and cost terms. Avoid assuming every offered resource was deployed or every requested expense was approved. Questions about licensure, liability, compensation, or reimbursement require the compact and applicable mission documents rather than a short activity summary.