Wis. Admin. Code § RR 1.09 – Witnesses, subpoenas and depositions.

(1) Any party may request the examiner to issue subpoenas to compel the attendance of witnesses.
(2) Any party may request the examiner to issue subpoenas duces tecum to compel a witness to bring specific documents.
(3) The examiner may limit the scope of the subpoena or deny it if it appears to be unreasonable, oppressive, excessive in scope or unduly burdensome.
(4) Depositions and written interrogatories may be taken and used as evidence as provided in ch. 804, Stats.

History: Cr. Register, October, 1982, No. 322, eff. 11-1-82.