21 C.F.R. § 20.62 Inter- or intra-agency memoranda or letters.
Title 21 - Food and Drugs
All communications within the Executive Branch of the Federal government which are in written form or which are subsequently reduced to writing may be withheld from public disclosure except that factual information which is reasonably segregable in accordance with the rule established in §20.22 is available for public disclosure.
Title 21: Food and Drugs
PART 20—PUBLIC INFORMATION
Subpart D—Exemptions
§ 20.62 Inter- or intra-agency memoranda or letters.