Wash. Rev. Code § 48.20.262
There may be a provision as follows: ILLEGAL OCCUPATION: The insurer shall not be liable for any loss to which a contributing cause was the insured's commission of or attempt to commit a felony or to which a contributing cause was the insured's being engaged in an illegal occupation.
[ 1951 c 229 s 27. Prior: 1947 c 79 s .20.26; Rem. Supp. 1947 s 45.20.26.]