NFIRS 5.0 Element: ‘Subsection’

Definition : Within each section, the land is referred to as half and quarter sections. A one-sixteenth division is called a subsection (sometimes referred to as a quarter of a quarter).
Purpose : This information may be of value to local authorities for contacting the owner in connection with the fire and in making a long-term analysis of wildland fires in similar areas or on property under the same ownership.
Entry : Enter the alternate location information using the specific Latitude and Longitude where the fire started or, alternatively, enter the Section, Subsection, Township, Range, and Meridian.

Element Specification

 Specification   Value 
Requirement Optional
Expected Length 4
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 ‘Subsection’ element

Subsection  Code 
Northeast By Northeast NENE
Northeast By Northwest NENW
Northeast By Southeast NESE
Northeast By Southwest NESW
Northwest By Northwest NWNW
Northwest By Northeast NWNE
Northwest By Southeast NWSE
Northwest By Southwest NWSW
Southeast By Southeast SESE
Southeast By Southwest SESW
Southeast By Northeast SENE
Southeast By Northwest SENW
Southwest By Southwest SWSW
Southwest By Southeast SWSE
Southwest By Northeast SWNE
Southwest By Northwest SWNW

Transactions containing ‘Subsection’

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 6, 2023