PDFRCW 79.125.310
Effect of mistake or fraud.
Any sale or lease of state-owned tidelands or shorelands, otherwise permitted under RCW 79.125.200 to be sold, made by mistake, or not in accordance with law, or obtained by fraud or misrepresentation, shall be void, and the contract of purchase or lease, issued shall be of no effect, and the holder of the contract or lease, shall be required to surrender the contract or lease to the department, which, except in the case of fraud on the part of the purchaser, or lessee, shall cause the money paid on account of the surrendered contract or lease to be refunded to the holder, provided the money has not been paid into the state treasury.