Washington Revised Code Title 26. Domestic Relations § 26.09.255. Remedies when a child is taken, enticed, or concealed

(1) A relative may bring civil action against any other relative if, with intent to deny access to a child by that relative of the child who has a right to physical custody of or visitation with the child or a parent with whom the child resides pursuant to a parenting plan order, the relative takes, entices, or conceals the child from that relative. The plaintiff may be awarded, in addition to any damages awarded by the court, the reasonable expenses incurred by the plaintiff in locating the child, including, but not limited to, investigative services and reasonable attorneys' fees.

(2) “Relative” means an ancestor, descendant, or sibling including a relative of the same degree through marriage, domestic partnership, or adoption, or a spouse or domestic partner.