Subject to chapter
48.62 RCW, any county by a majority vote of its board of county commissioners may enter into contracts to provide health care services and/or group insurance for the benefit of its employees, and may pay all or any part of the cost thereof. Any two or more counties, by a majority vote of their respective boards of county commissioners may, if deemed expedient, join in the procuring of such health care services and/or group insurance, and the board of county commissioners of each participating county may, by appropriate resolution, authorize their respective counties to pay all or any portion of the cost thereof.