PDFWAC 296-17B-250
Employer qualifications for group membership.
An employer qualifies for membership in a group if the employer:
(1) Has an industrial insurance account in good standing;
(2) Is a dues paying member of the organization sponsoring the group;
(3) Is not enrolled in retrospective rating either as a member of a group or individually for the coverage period; and
(4) The employer satisfies the homogeneity requirement of WAC 296-17B-260.