Official Proceeding

A proceeding before a judge or court of the U.S., a U.S. magistrate, a bankruptcy judge, a judge of the U.S. Tax Court, a special trial judge of the Tax Court, a judge of the U.S. Court of Federal Claims, or a Federal grand jury; a proceeding before the Congress; or (C) a proceeding before a Federal Government agency which is authorized by law. 18 USC