Okla. Admin. Code § 230:10-5-2.1
All County Election Board personnel who intend to conduct training for Precinct Officials first shall be required to attend training for trainers provided by the State Election Board. Training for trainers shall be conducted by the State Election Board at least once every two years prior to the state election season. In order to be eligible to participate in training for trainers, personnel must have been employed with the County Election Board for at least two years. However, the Secretary of the State Election Board may approve exceptions to this requirement. In the event that Precinct Official training is required in a county where no County Election Board staff member has attended the required training for trainers, the State Election Board shall provide a qualified trainer.
Okla. Admin. Code § 230:10-5-2.1