Wash. Admin. Code § 284-54-680
Loss ratios other than those indicated in WAC 284-54-630 may be approved by the commissioner with satisfactory actuarial demonstrations. Examples of coverage where the commissioner may grant special considerations are:
[Statutory Authority: RCW 48.02.060(3), 48.30.010 and 48.84.910. WSR 87-15-027 (Order R 87-7), § 284-54-680, filed 7/9/87.]