34 C.F.R. § 33.21
(a) The following types of discovery are authorized:
(d) Motions for discovery.
(3) The ALJ may grant a motion for discovery only if he finds that the discovery sought:
(5) The ALJ may grant discovery subject to a protective order under § 33.24.
(Authority: 31 U.S.C. 3803(a)(3)(B)(ii))
(e) Depositions.
(f) Each party shall bear its own costs of discovery.
(Authority: 31 U.S.C. 3803(g)(3)(B)(ii))