(1) The rights under chapter 49.76 RCW and this chapter are in addition to any other rights provided by state and federal law.

(2) An employer may adopt policies that provide greater leave rights to employees who are or who have family members who are victims.

(3) These rules do not diminish an employer's obligation to comply with any collective bargaining agreement, or any employment benefit program or plan, that provides greater leave rights to employees than the rights provided under chapter 49.76 RCW and these rules.