18 U.S.C. § 1905 : US Code - Section 1905: Disclosure of confidential information generally

      Whoever, being an officer or employee of the United States or of
    any department or agency thereof, any person acting on behalf of
    the Federal Housing Finance Agency, or agent of the Department of
    Justice as defined in the Antitrust Civil Process Act (15 U.S.C.
    1311-1314), or being an employee of a private sector organization
    who is or was assigned to an agency under chapter 37 of title 5,
    publishes, divulges, discloses, or makes known in any manner or to
    any extent not authorized by law any information coming to him in
    the course of his employment or official duties or by reason of any
    examination or investigation made by, or return, report or record
    made to or filed with, such department or agency or officer or
    employee thereof, which information concerns or relates to the
    trade secrets, processes, operations, style of work, or apparatus,
    or to the identity, confidential statistical data, amount or source
    of any income, profits, losses, or expenditures of any person,
    firm, partnership, corporation, or association; or permits any
    income return or copy thereof or any book containing any abstract
    or particulars thereof to be seen or examined by any person except
    as provided by law; shall be fined under this title, or imprisoned
    not more than one year, or both; and shall be removed from office
    or employment.