(1) Official notice may be taken as provided in RCW
34.05.452(5).
(2) The department, through its designated presiding officer or review officer, may use its expertise and specialized knowledge to evaluate and draw inferences from the evidence presented to it.
[Statutory Authority: RCW
43.70.040,
34.05.220,
34.05.410,
18.130.050, and
34.05.413 through
34.05.476. WSR 18-18-049, § 246-10-117, filed 8/29/18, effective 9/29/18. Statutory Authority: RCW
43.70.040. WSR 93-13-005 (Order 369), § 246-10-117, filed 6/3/93, effective 7/4/93.]