How the National Response Framework and NIMS Fit Together

The National Response Framework and NIMS fit together as strategy and operating system: the National Response Framework (NRF) says what needs to happen in a disaster and who is responsible, while the National Incident Management System (NIMS) gives every responder the shared structure, terminology, and procedures to actually do it. The NRF is explicitly built on the NIMS template, so the two are designed to run as one integrated system, and neither works well without the other.

What the NRF Does

The NRF is a guide for how the entire nation responds to emergencies and disasters of any kind, from hurricanes and wildfires to terrorist attacks and cyber incidents. It sets principles, defines roles and responsibilities, and describes how federal, state, local, tribal, and territorial governments coordinate with the private sector and nonprofits during a crisis.¹

The current version is the Fourth Edition, published in October 2019.² One of its key features is flexibility. The NRF can be partially or fully activated depending on the incident. A localized flood might trigger only a few elements, while a catastrophic earthquake could activate the whole framework. That scalability lets officials match the federal response to the actual scale of the emergency.¹

What NIMS Does

NIMS gives every organization involved in emergency management a shared vocabulary, a common organizational structure, and consistent processes for managing resources and information. It applies to incidents of any cause, size, or complexity. A firefighter from one state can show up in another and immediately understand the chain of command, the terminology, and how resources are being tracked.³

NIMS does this through a few core components. The Incident Command System (ICS) creates a standard management structure with clear lines of authority and manageable spans of control. Resource management principles make sure personnel, equipment, and supplies are categorized, ordered, tracked, and deployed the same way everywhere. Standardized communication protocols require responders from different agencies to use plain language instead of agency-specific codes when working together.⁴

How the Two Connect

The clearest way to see the relationship: the NRF answers “what do we do and who does it,” while NIMS answers “how do we actually do it.” The NRF defines strategic goals, assigns responsibilities to agencies, and describes coordination structures. NIMS provides the operational tools, common language, and management procedures people use to carry out those assignments. Without the NRF, responders would have excellent tools but no shared strategy. Without NIMS, the strategy would exist on paper but fall apart the moment agencies from different jurisdictions tried to work together.

This is not a hierarchy where one system outranks the other. They are complementary by design. The NRF explicitly states it is built on the NIMS template, meaning every coordination structure and process the NRF describes assumes participating organizations have adopted NIMS.¹ When an emergency operations center activates during a hurricane, the strategic direction comes from the NRF, but the organizational chart, the resource ordering process, and the communication protocols all come from NIMS.

ICS Is the Field Structure the NRF Assumes

ICS is the organizational backbone that makes NRF coordination possible in the field. It establishes a scalable structure with defined roles: an incident commander at the top, supported by sections for operations, planning, logistics, and finance. When the NRF calls for unified command during a multi-agency response, ICS provides the structure for how that unified command actually functions. Every person involved knows who they report to, what their span of control is, and how decisions flow.²

Resource Typing Is What Makes NRF Resource Requests Work

When a state requests 10 Type I swift-water rescue teams, every jurisdiction in the country should understand exactly what capabilities, staffing, and equipment that request entails. NIMS achieves this through resource typing, which categorizes assets by “kind” (what the resource is, such as a team, vehicle, or piece of equipment) and “type” (its capability level, where Type I indicates the highest). Without that standardization, a request for “rescue boats” could produce anything from an inflatable raft to a fully crewed vessel.³

Plain Language Is Required When Agencies Work Together

NIMS requires plain language instead of agency-specific codes during multi-agency and multi-jurisdiction incidents. A police department and a fire department responding to the same event need to understand each other immediately, and “10-codes” that mean one thing in one agency may mean something entirely different in another. NIMS does not ban internal codes for day-to-day operations, but it mandates plain language when agencies are working together, which is the scenario the NRF envisions for every significant incident.⁵

Where the Connection Shows Up During a Response

Emergency Support Functions

The NRF organizes federal interagency support into 15 Emergency Support Functions (ESFs), each led by a designated federal agency. ESFs are the primary mechanism for delivering federal resources to states during a declared disaster. ESF #1 (Transportation) is coordinated by the Department of Transportation, ESF #8 (Public Health and Medical Services) by the Department of Health and Human Services, ESF #10 (Oil and Hazardous Materials Response) by the EPA.⁶

ESFs cannot function without NIMS. When ESF #4 (Firefighting) deploys U.S. Forest Service resources to help a state battling wildfires, those resources are typed under NIMS standards, tracked through NIMS resource management processes, and managed in the field under ICS. The NRF defines which agencies are responsible for which functions. NIMS provides the common operating procedures once they arrive.

Community Lifelines

The Fourth Edition of the NRF introduced seven community lifelines as a way to prioritize response efforts: Safety and Security; Food, Water, and Shelter; Health and Medical; Energy; Communications; Transportation; and Hazardous Material. During an incident, emergency managers assess which lifelines are disrupted and focus resources on stabilizing them. That is where NRF strategic priorities feed directly into NIMS resource management, since the ordering, deployment, and tracking of resources to restore a lifeline all happen through NIMS processes.²

Multiagency Coordination Groups

While ICS manages the incident in the field, Multiagency Coordination Groups (MAC Groups) operate at the executive and policy level. A MAC Group is made up of senior officials authorized to commit their agencies’ resources and funding. These groups handle the big-picture decisions: prioritizing which incidents get resources first when multiple emergencies are happening at once, approving emergency authorities, and providing strategic guidance to the incident commander. MAC Groups typically sit at or near Emergency Operations Centers, and their authority to allocate resources flows through the NIMS resource management process.²

What Triggers the Federal Side of the NRF

The NRF’s federal response components are triggered by a presidential disaster or emergency declaration under the Robert T. Stafford Disaster Relief and Emergency Assistance Act. A governor or tribal chief executive must request the declaration, certify that the disaster exceeds the state’s ability to respond and that federal assistance is necessary, and show what state and local resources have already been committed.⁷

Once the President issues a declaration, FEMA appoints a Federal Coordinating Officer, ESFs activate as needed, and federal agencies begin providing support under the NRF’s coordination structures. All of those agencies are expected to be operating under NIMS, which is why compliance is not optional. The entire federal response mechanism assumes every participating entity speaks the same operational language and follows the same management framework.

Training and Grant Funding Tie the Two Together

Understanding both systems is not just recommended for emergency management professionals. FEMA’s Emergency Management Institute maintains a core curriculum that covers both together.⁸ IS-700 introduces NIMS and its core concepts and structures. IS-800 introduces the National Response Framework and how it coordinates with NIMS. The ICS-100 and ICS-200 courses cover basic command structure and single-resource incidents, and ICS-300 and ICS-400 cover expanding or complex incidents for personnel expected to serve in supervisory or command roles. IS-700 and IS-800 are typically expected for all emergency management personnel; the higher ICS courses target leadership. Anyone involved in emergency response learns both systems together, which reinforces the point that the NRF and NIMS are two halves of the same approach.

The other reason state and local governments take NIMS adoption seriously is money. Since fiscal year 2005, federal preparedness grant funding has been contingent on NIMS implementation.⁹ Jurisdictions that receive funding through the Homeland Security Grant Program, the Emergency Management Performance Grant Program, or the Tribal Homeland Security Grant Program must implement NIMS as a condition of their awards.¹⁰

Compliance is not a one-time checkbox. FEMA publishes NIMS Implementation Objectives that jurisdictions must achieve or be actively working toward, covering formal NIMS adoption resolutions, documented training requirements for employees and volunteers, ICS-based standard operating procedures, updated emergency plans, and maintained inventories of deployable mutual aid resources.³ Jurisdictions that fall behind risk delays or restrictions on their grant funding. That mechanism is what gives the NRF-NIMS relationship real teeth at the local level. When a disaster strikes and the NRF activates, the responding agencies have already adopted the NIMS framework needed to make the response work.

1
US EPA. National Response Framework (NRF)
2
Federal Emergency Management Agency. National Response Framework
3
Federal Emergency Management Agency. National Incident Management System
4
U.S. EPA. The Federal Emergency Management Agency’s National Incident Management System
5
Federal Emergency Management Agency. NIMS Alert: NIMS and Use of Plain Language
6
Federal Emergency Management Agency. Emergency Support Function Annexes: Introduction
7
Office of the Law Revision Counsel. 42 USC 5170 – Procedure for Declaration
8
Federal Emergency Management Agency. National Incident Management System (NIMS)
9
The White House Archives. Homeland Security Presidential Directive/HSPD-5
10
Federal Emergency Management Agency. FEMA Preparedness Grants Manual