18 U.S.C. § 1515 : US Code - Section 1515: Definitions for certain provisions; general provision

      (a) As used in sections 1512 and 1513 of this title and in this
    section - 
        (1) the term "official proceeding" means - 
          (A) a proceeding before a judge or court of the United
        States, a United States magistrate judge, a bankruptcy judge, a
        judge of the United States Tax Court, a special trial judge of
        the Tax Court, a judge of the United States Court of Federal
        Claims, or a Federal grand jury;
          (B) a proceeding before the Congress;
          (C) a proceeding before a Federal Government agency which is
        authorized by law; or
          (D) a proceeding involving the business of insurance whose
        activities affect interstate commerce before any insurance
        regulatory official or agency or any agent or examiner
        appointed by such official or agency to examine the affairs of
        any person engaged in the business of insurance whose
        activities affect interstate commerce;

        (2) the term "physical force" means physical action against
      another, and includes confinement;
        (3) the term "misleading conduct" means - 
          (A) knowingly making a false statement;
          (B) intentionally omitting information from a statement and
        thereby causing a portion of such statement to be misleading,
        or intentionally concealing a material fact, and thereby
        creating a false impression by such statement;
          (C) with intent to mislead, knowingly submitting or inviting
        reliance on a writing or recording that is false, forged,
        altered, or otherwise lacking in authenticity;
          (D) with intent to mislead, knowingly submitting or inviting
        reliance on a sample, specimen, map, photograph, boundary mark,
        or other object that is misleading in a material respect; or
          (E) knowingly using a trick, scheme, or device with intent to

        (4) the term "law enforcement officer" means an officer or
      employee of the Federal Government, or a person authorized to act
      for or on behalf of the Federal Government or serving the Federal
      Government as an adviser or consultant - 
          (A) authorized under law to engage in or supervise the
        prevention, detection, investigation, or prosecution of an
        offense; or
          (B) serving as a probation or pretrial services officer under
        this title;

        (5) the term "bodily injury" means - 
          (A) a cut, abrasion, bruise, burn, or disfigurement;
          (B) physical pain;
          (C) illness;
          (D) impairment of the function of a bodily member, organ, or
        mental faculty; or
          (E) any other injury to the body, no matter how temporary;

        (6) the term "corruptly persuades" does not include conduct
      which would be misleading conduct but for a lack of a state of

      (b) As used in section 1505, the term "corruptly" means acting
    with an improper purpose, personally or by influencing another,
    including making a false or misleading statement, or withholding,
    concealing, altering, or destroying a document or other
      (c) This chapter does not prohibit or punish the providing of
    lawful, bona fide, legal representation services in connection with
    or anticipation of an official proceeding.