| http://www.w3.org/ns/prov#value | - (2) and (3) of this title, if the individual, before, on, or after September 1, 1954, refused or refuses, or knowingly and willfully failed or fails, to appear, testify, or produce a book, paper, record, or other document, relating to his service as an employee, before a Federal grand jury, court of the United States, court-martial, or congressional committee, in a proceeding concerning???
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