(1) Every person called as a witness in a hearing shall swear or affirm that the testimony he or she is about to give in the hearing shall be the truth according to the provisions of RCW 5.28.020 through 5.28.060. If the witness is testifying from outside the jurisdiction, the board chair may require the witness to agree to be bound by the laws of the state of Washington for the purposes of the oath.

(2) Phone numbers for any person testifying by phone must be provided to the executive secretary no less than five (5) days before a scheduled hearing or deposition.