(1) Subject to the other provisions of this title, personal services performed for, or for the benefit of, an employer who utilizes a third-party payer constitutes employment for the employer. The third-party payer is not considered the employer as defined in RCW 50.04.080.
(2) For purposes of this section, "third-party payer" means an individual or entity that enters into an agreement with one or more employers to provide administrative, human resource, or payroll administration services, but does not provide an employment or coemployment relationship. Temporary staffing services companies, services referral agencies, professional employer organizations, and labor organizations are not third-party payers.