RCW 62A.3-550: Collection agencies—Consequences for failing to comply with requirements.

No interest, collection costs, and attorneys' fees, except handling fees, are recoverable on any dishonored check under the provisions of RCW 62A.3-530 where a collection agency or its agent, employee, or assign has demanded:

(1) Interest or collection costs in excess of that provided by RCW 62A.3-530; or

(2) Interest or collection costs prior to the expiration of thirty-three days after the serving or mailing of the notice of dishonor, as provided by RCW 62A.3-530 or 62A.3-540; or

(3) Attorneys' fees other than statutory attorneys' fees without having the fees set by the court, or any attorneys' fees prior to thirty-three days after the serving or mailing of the notice of dishonor, as provided by RCW 62A.3-530 or 62A.3-540.