(1) The presiding officer shall rule on objections to the admissibility of evidence pursuant to RCW 34.05.452
unless those objections have been addressed in the prehearing order.
(2) The refusal of a witness to answer any question ruled proper shall be grounds for the presiding officer, at his/her discretion, to strike some or all prior testimony by that witness on related matters or to grant a continuance to allow a party to seek a court order to compel the witness to answer.
(3) Each person called as a witness in an adjudicative proceeding shall swear or affirm that the evidence about to be given in the adjudicative proceeding shall be the truth under the provisions of RCW 5.28.020
[Statutory Authority: RCW 43.70.040
. WSR 93-13-005 (Order 369), § 246-10-603, filed 6/3/93, effective 7/4/93.]