The following words and terms, when used in this Part, shall have the following meaning, unless the context clearly indicates otherwise:
"Project start date" means the date on which the injection of liquids, gases, or other matter begins on a secondary and tertiary recovery projects.
"Secondary and tertiary recovery projects" means secondary and tertiary recovery projects approved or having an initial project beginning date on or after July 1, 2022.
Okla. Admin. Code § 710:45-9-111