NFIRS Logic Rule 1020

Reference : #17

The NFIRS specification provides this definition for Logic Rule 1020 :

Rule : If used, the Arson Module is only allowed for Incident Types: 100-173 (Fire Cause field code on the Fire Module must also be ‘1 Intentional or ‘2 Unintentional’ or ‘5 Cause under investigation’ or ‘U Undetermined after investigation’. If the Wildland Module is used instead, the Wildland Fire Cause must be ‘7 Intentional’.)