41 CFR § 105-60.400 - Applying FOIA exemptions.
(a) 5 U.S.C. 552(b)(1)–(9) of the Freedom of Information Act provides that the disclosure requirements of FOIA do not apply to matters that are:
(1) Specifically authorized under the criteria established by an executive order to be kept secret in the interest of national defense or foreign policy and are in fact properly classified pursuant to such executive order (see Executive Order No. 13,526);
(2) Related solely to the internal personnel rules and practices of an agency;
(3) Specifically exempted from disclosure by statute other than 5 U.S.C. 552(b)(1)–(9), provided that such statute:
(i) Requires that the matters be withheld from the public in such a manner as to leave no discretion on the issue;
(ii) Establishes particular criteria for withholding or refers to particular types of matters to be withheld;
(4) Trade secrets and commercial or financial information that could harm the competitive posture or business interests of a company;
(5) Interagency or intra-agency memorandums or letters that would not be available by law to a party other than an agency in litigation with the agency, provided that the deliberative process privilege shall not apply to records created 25 years or more before the date on which the records were requested;
(6) Personnel and medical files and similar files the disclosure of which would constitute a clearly unwarranted invasion of personal privacy;
(7) Records or information compiled for law enforcement purposes, but only to the extent that the production of such law enforcement records or information:
(i) Could reasonably be expected to interfere with enforcement proceedings;
(ii) Would deprive a person of a right to a fair trial or an impartial adjudication;
(iii) Could reasonably be expected to constitute an unwarranted invasion of personal privacy;
(iv) Reasonably be expected to disclose the identity of a confidential source, including a State, local, or foreign agency or authority or any private institution that furnished information on a confidential basis, and, in the case of a record or information compiled by a criminal law enforcement authority in the course of a criminal investigation or by an agency conducting a lawful national security intelligence investigation, information furnished by a confidential source;
(v) Would disclose techniques and procedures for law enforcement investigations or prosecutions, or would disclose guidelines for law enforcement investigations or prosecutions if such disclosure could reasonably be expected to risk circumvention of the law; or
(vi) Could reasonably be expected to endanger the life or physical safety of any individual;
(8) Contained in or related to examination, operating, or condition reports prepared by, on behalf of, or for the use of an agency responsible for the regulation or supervision of financial institutions; or
(9) Geological and geophysical information and data, including maps, concerning wells.
(b) GSA will provide any reasonably segregable portion of a record to a requester after redacting the portions of the requested records that are exempt under this section.