Okla. Admin. Code § 435:3-3-16
Subpoenas shall be issued by the Secretary, or the trial examiner. Subpoenas shall be served, and a return made, in any manner prescribed by Oklahoma statutes for the following:
Added at 11 Ok Reg 4159, eff 6-21-94 (emergency)
Added at 12 Ok Reg 1215, eff 5-11-95
Amended at 42 Ok Reg, Number 21, effective 7-25-25