Okla. Admin. Code § 380:80-3-4
All retail dispensing of natural gas and/or hydrogen used as a motor vehicle fuel, or for use with any hydrogen fuel cell vehicle, from either fixed equipment or mobile refueling equipment, including vehicles, shall be operated and maintained in accordance with the applicable requirements of the codes adopted by this regulation.
Added at 32 Ok Reg 735, eff 6-30-15 (emergency)
Added at 33 Ok Reg 1735, eff 9-15-16
Amended at 40 Ok Reg 2307, eff 9-15-23