by National Archives and Records Administration, ISOO Implementing Directive Pursuant to Executive Order 13526…
“ Such policies and procedures require the approval of the agency head and shall be sufficiently detailed to ensure that redaction is performed consistently and reliably, using only approved redaction methods that permanently remove the classified information from copies of the documents intended for release. Agencies shall ensure that personnel who perform redaction fully understand the policies, procedures, and methods and are aware of the vulnerabilities surrounding the process. ”
