4th Edition Modified Elements
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C1. Case Identifier


Definition:

The unique identifier within a given year that identifies a given crash within a State.
Element Attributes:

State Specific Identifier


Rationale:

Used to document a specific crash. If this identifier is available at the scene, it can also be recorded on the EMS record for linkage purposes. Enables subfiles to be created for analyses and linked back to the crash data file.