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 Forms (leg.wa.gov)WAC 284-24 -Rates (leg.wa.gov)WAC 284-30 -Trade Practices (leg.wa.gov)Need more help?Call us at 360-725-7111