Okla. Admin. Code § 325:85-21-13
In the event of a catastrophic failure when the EAS cannot be restarted in any other way, it shall be possible to reload the system from the last viable backup point and fully recover the contents of that backup, which must consist of at least the following information:
Added at 23 Ok Reg 1160, eff 4-6-05 (emergency)
Added at 23 Ok Reg 2089, eff 5-11-06 (emergency)
Added at 23 Ok Reg 2613, eff 6-25-06