This chapter shall not supersede, nullify, or diminish any federal or state law, ordinance, rule, regulation, contract, agreement, policy, plan, practice, or other matter that establishes a right or benefit that is more beneficial to, or is in addition to, a right or benefit provided for such person in this chapter.
RCW 73.16.090
Effective date-2001 c 133: See note following RCW 73.16.005.