Okla. Admin. Code § 10:15-3-4
In addition to a license or certificate, any registrant practicing public accounting or providing expert witness testimony in any Oklahoma or Federal Court located in Oklahoma shall be required to have a valid permit with exceptions as allowed in 10:15-3-5.
Added at 10 Ok Reg 2543, eff 7-1-93
Amended at 20 Ok Reg 1897, eff 7-1-03
Amended at 22 Ok Reg 1691, eff 7-1-05
Amended at 25 Ok Reg 1513, eff 7-1-08
Amended at 27 Ok Reg 1690, eff 7-1-10