The purposes of the assigned risk plan are:

(1) To promote a strong and healthy maritime industry, within Washington state, by ensuring the continued availability of workers' compensation coverage required by the United States Longshore and Harbor Workers' Act and maritime employers' liability coverage incidental to such workers' compensation coverage for employers who are unable to purchase it through the normal insurance market.

(2) To provide a mechanism through which the net income or loss of the assigned risk plan is shared by authorized insurers writing primary or excess United States Longshore and Harbor Workers' insurance within Washington state and the Washington state industrial insurance fund.