The following hospitals are exempt from any assessment under this chapter provided that if and to the extent any exemption is held invalid by a court of competent jurisdiction or by the centers for medicare and medicaid services, hospitals previously exempted shall be liable for assessments due after the date of final invalidation:(1) Hospitals owned or operated by an agency of federal, state, or county government, including but not limited to western state hospital and eastern state hospital;(2) Designated public hospitals;(3) Hospitals owned or operated by health maintenance organizations under chapter 48.46 RCW; and(4) Long-term acute care hospitals.[ 2023 c 430 s 5; 2010 1st sp.s. c 30 s 5.]Notes:Contingent effective date—2023 c 430: See note following RCW 74.60.005.