NFIRS 5.0 Element: ‘Usual Assignment’

Definition : This element describes the official assignment of the fire service casualty. This may not coincide with the firefighter’s activity at the time of injury (Block G5).
Purpose : When analyzed with the other firefighter casualty data, the duty to which the firefighter was assigned can be used to identify possible reasons for injury or death.
Entry : Check or mark the box that best describes the primary duty assignment of the injured firefighter.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 1
Element Type Coded Field – The coded field relating to an entry in the code table. Most coded fields allow for Plus+ One codes. For these fields the expected length of the coded entry is depicted as (National length OR Plus+ One length). Only fields with this notation in the expected length column allow for Plus+ One definitions. If the user has not provided information, an empty field should be transmitted.


Here are the NFIRS codes for the ‘Usual Assignment’ element

Usual Assignment  Code 
Fire Suppression, included Are Hazmat, Rescue, IC 1
Prevention or Inspection 3
Training 4
Maintenance 5
Communications 6
Administration 7
Fire Investigation 8
Other Assignment 0
Undetermined (Conversion Only) U

Transactions containing ‘Usual Assignment’

The value of this element is captured by the following transaction :

Need more NFIRS help?

Here are some other useful ressources to learn more about NFIRS.

NFIRS Codes Cheat SheetNFIRS CodingNFIRS ExamplesFDIDsPOCsNFIRS TransactionsNFIRS ModulesNFIRS ElementsNFIRS RulesNFIRS ReferenceNFIRS Compliant ?

You can also read this NFIRS 5.0 Complete Reference Guide, and NFIRS 5.0 Design Documentation in order to have a deeper understanding of NFIRS 5.0. Here are also NFIRS 5.0 Forms ready for you to download and use.

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Last Updated on May 9, 2023