36 CFR §1236.34

1. (a)Agencies must validate that the digitized records are of suitable quality to replace source records.
2. (b)Agencies may establish their own validation process or use third-party processes to validate that the digitized records comply with § 1236.32. The process may be project-based or agency-wide policy.
3. (c)Agencies must document the validation process and retain that documentation for the life of the process or the life of any records digitized using that process, whichever is longer.
4. (d)NARA may review validation documentation as needed.