Wash. Rev. Code § 74.13.670
(1) A care provider may not be found to have abused or neglected a child under chapter 26.44 RCW or be denied a license pursuant to chapter 74.15 RCW and RCW 74.13.031 for any allegations of failure to supervise in which:
(a) The allegations arise from the child's conduct that is substantially similar to prior behavior of the child, and:
[ 2009 c 520 s 93; 2007 c 220 s 5.]