Okla. Admin. Code § 165:55-11-14
The terms and conditions of Subchapter 11 may be changed, modified, revised, supplemented or deleted upon written agreement between a business end-user and the telecommunications service provider or IXC. This Section shall not apply to residential end-users.
Added at 26 Ok Reg 1127, eff 7-1-09
Amended at 29 Ok Reg 1549, eff 7-12-12