The control program shall ensure the integrity of all critical program Components during the execution of said Components and the first time the files are loaded for use, even if only partially loaded. RAM and PSD (Program Storage Device) space that is not critical to machine security (e.g., video or sound ROM) is nevertheless required to be validated. If any of the video or sound files contain payout amounts or other information needed by the player, the files or program storage must have a secure method of verification.
Okla. Admin. Code § 325:85-15-23