The required retention scheduling of public records to be created, maintained, accessed, distributed, or preserved by government entities on electronic imaging systems should be done prior to the creation or copying of images of those records. Retention schedules shall be based on the information content and function of the record series. Record series documenting electronic information system operation, and maintenance must also be included on the records retention schedule approved for the agency using the system. Electronic image media rendered obsolete through the verified accurate migration of its images to a more current media for readability may be considered a redundant version and disposed of as directed by chapter 40.14 RCW.