WAC 208-620-590
WAC 208-620-590. How much will I be charged for my examinations and when will the payment be due?
(1) You will be charged $69.01 per hour for examinations of your records.
(2) If the examination occurs outside of Washington, you will be charged the hourly rate plus travel costs.
(3) You must pay examination costs within thirty days after receiving the invoice to avoid having to pay accrued interest.