No utility shall knowingly sell power or energy to any consumer for resale under Commission jurisdiction pursuant to a tariff providing for resale unless the Commission has been advised fifteen (15) calendar days prior to commencement of deliveries. No such sale shall be made unless the purchaser from the utility has tariffs on file with and approved by the Commission, rate schedules, rules, and regulations covering such resale, or is exempt by law from such requirements.
Okla. Admin. Code § 165:35-13-2