Wash. Rev. Code § 19.370.070
(1) No performing rights society may enter into, or offer to enter into, a contract for the payment of royalties by a proprietor unless at least seventy-two hours prior to the execution of that contract it provides to the proprietor or the proprietor's employees, in writing, the following:
(2) A contract for the payment of royalties executed in this state must:
(c) Include, at least, the following information:
[ 2016 c 38 s 7.]