21 CFR § 20.66
Internal personnel rules and practices
June 25, 2020
Records or information may be withheld from public disclosure if they are related solely to the internal personnel rules and practices of the Food and Drug Administration (FDA). Under this exemption, FDA may withhold records or information about routine internal agency practices and procedures. Under this exemption, the agency may also withhold internal records whose release would help some persons circumvent the law.
[70 FR 41958, July 21, 2005]