Okla. Admin. Code § 340:2-5-118
An administrative hearing officer (AHO) does not have the authority to issue subpoenas for the presence of people or production of evidence at hearings.
(1) An AHO, at the request of an appealing party or on his or her own motion, may require the presence at a hearing of:
(2) An appealing party request for the presence of a DHS employee, DHS documents, or other evidence, is granted by the AHO only when the appealing party shows that the presence of the DHS employee or evidence is:
Added at 19 Ok Reg 2199, eff 6-27-02
Amended at 33 Ok Reg 1587, eff 9-15-16