Wash. Admin. Code § 296-17B-260
An employer may enroll in a group only if:
(3) The employer has been a member of the group since prior to July 25, 1999.
In evaluating whether an employer's risk classes are related to the industry category, we will consider only those risk classes that define the nature of the employer's business operations insured with the state fund.
[Statutory Authority: RCW 51.16.035, 51.16.100, 51.04.020(1), and 51.18.010. WSR 10-21-086, § 296-17B-260, filed 10/19/10, effective 11/19/10.]