Forms, instructions and filing requirements for insurers filing for property and casualty insurance. Property and casualty filing instructionsTerrorism Risk Insurance Extension Act (TRIA)Speed to Market Tools for Property and Casualty Filers See alsoWAC 284-20B -Rules for Filing Property and Casualty FormsWAC 284-24 -RatesWAC 284-30 -Trade PracticesNeed more help?Call us at 360-725-7111