WAC 388-96-108
WAC 388-96-108. Failure to submit final reports
(1) If a nursing facility's contract is terminated or assigned, and the nursing facility does not submit a final cost report as required by WAC 388-96-022 , the nursing facility shall return to the department all payments made to the terminating or assigning contractor relating to the period for which a report has not been received within sixty days after the terminating or assigning contractor receives a written demand from the department.
(2) Effective sixty days after the terminating or assigning contractor receives a written demand for payment, interest will begin to accrue payable to the department on any unpaid balance at the rate of one percent per month.