Late royalty payments—Interest rate.
Past due royalty payments shall bear interest at the highest rate permitted by RCW
19.52.020 per month. Costs of collection, including attorney's fees, shall be recoverable in addition to interest.
[Statutory Authority: RCW
79.01.668. WSR 85-10-040 (Order 443), § 332-14-140, filed 4/29/85.]