(1) Port districts established under Title 53 RCW, institutions of higher education as defined in RCW 28B.10.016, and tribal governments participating through a state-tribal compact as defined in RCW 41.26.565 shall contribute both the employer and state shares of the cost of the retirement system for any of their employees who are law enforcement officers.
(2) Institutions of higher education shall contribute both the employer and the state shares of the cost of the retirement system for any of their employees who are firefighters.
(3) During fiscal years 2018 and 2019 and during the 2019-2021, 2021-2023, 2023-2025, and 2025-2027 fiscal biennia:
When an employer charges a fee or recovers costs for work performed by a plan member where:
(a) The member receives compensation that is includable as basic salary under RCW 41.26.030(4)(b); and
(b) The service is provided, whether directly or indirectly, to an entity that is not an "employer" under RCW 41.26.030(14)(b);
the employer shall contribute both the employer and state shares of the cost of the retirement system contributions for that compensation. Nothing in this subsection prevents an employer from recovering the cost of the contribution from the entity receiving services from the member.