(1) In order to establish or maintain status as a PERS I union employer, a union must satisfy the following requirements:

(a) Verify that at least forty percent of the members of the level of union organization are employees of an employer: Provided however, That employees of the union organization are not to be considered in the forty percent determination; and

(b) Beginning on the effective date of this rule, annually complete and submit the verification form set forth in WAC 415-108-660 to the department.

(2) Unions which have reported members prior to the effective date of this rule shall be deemed to have met the requirements of this rule with respect to those members.