WAC 332-140-230
WAC 332-140-230. Payment and adjustments
The periodic payments made by the purchaser for timber removed during a given quarter shall be based upon the adjusted price for the previous quarter, except that for removals during a quarter in which the sale is sold, the price used shall be the contract bid price. Following the establishment of the market index for the quarter, the appropriate adjustments will be made to the payments for the timber removed during that quarter.