103.12—Exemptions.
Pursuant to 5 U.S.C. 552(b), the disclosure requirements of 5 U.S.C. 552(a) are not applicable to U.S. Customs Service records which relate to the following:
(a) Matters kept secret pursuant to Executive order.
Matters specifically authorized under criteria established by an Executive order to be kept secret in the interest of national defense or foreign policy and which are, in fact, properly classified pursuant to such Executive order (see 31 CFR part 2 ).
(b) Certain internal rules and procedures.
Information relating solely to the internal personnel rules and practices of an agency.
(c) Matters exempt from disclosure by statute.
Information specifically exempted from disclosure by statute (other than 5 U.S.C. 552b ), if the statute (1) requires that the matters be withheld from the public in such a manner as to leave no discretion on the issue, or (2) establishes particular criteria for withholding or refers to particular types of matters to be withheld.
(d) Privileged or confidential information.
Trade secrets and commercial or financial information obtained from any person which is privileged or confidential.
(e) Certain inter-agency or intra-agency correspondence.
Inter-agency or intra-agency memoranda or letters which would not be available by law to a private party in litigation with the agency.
(f) Material involving personal privacy.
Personnel and medical files and similar files the disclosure of which would constitute a clearly unwarranted invasion of personal privacy.
(g) Certain investigatory records.
Records or information compiled for law enforcement purposes, but only to the extent that the production of such enforcement records or information:
(4)
Could reasonably be expected to disclose the identity of a confidential source, including a State, local or foreign agency or authority or any private institution which 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;
(5)
Would disclose techniques 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
(h) Certain pending criminal investigations.
Whenever a request is made which involves access to records described in paragraph (g)(1) of this section and)—
(2)
There is reason to believe that the subject of the investigation or proceeding is not aware of its pendency, and disclosure of the existence of the records could reasonably be expected to interfere with enforcement proceedings, Customs may, during only such times as that circumstance continues, treat the records as not subject to the requirements of this part.
(i) Certain informant records.
Whenever informant records maintained by Customs under an informant's name or personal identifier are requested by a third party according to the informant's name or personal identifier, Customs may treat the records as not subject to the requirements of this part unless the informant's status as an informant has been officially confirmed.