Okla. Admin. Code § 165:20-1-2
For proper interpretation of this Chapter, definitions are also provided in the herein adopted C.F.R. provisions. The following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Commission" means the Oklahoma Corporation Commission.
"Intrastate" means wholly within the boundaries of the State.
"Legal staff" means the office of General Counsel of the Commission.
"Manager of Pipeline Safety" means the Manager of the Pipeline Safety Department of the Commission.
"Pipeline Safety Department" means the Department of Pipeline Safety for the Commission.
"Secretary" means the custodian of official records of the Commission.
"State" means the State of Oklahoma and all lands within its boundaries.
"Transportation of gas or hazardous liquids" means the gathering, transmission, or distribution of gas or hazardous liquids by pipeline or its storage.
Okla. Admin. Code § 165:20-1-2