...or <^muni«"on innuci.ces, obstructs, or impedes or endeavors tc ' W>"-..;rj.5WS lo .^ .iC.. cncc, obstruct, or impede the due and proper administration...proceeding is being had before such department or a£«ncy . --- _»S*CS.V* '• j of the United SUUs, or the due and proper ezercix of the power of...

...any documentary material which is the subject of such demand ; or Whoever corruptly, or by threats or force, or by any threatening letter or communication...or endeavors to influence, obstruct, or impede the duQ and proper administration of the law under which such proceeding is being had before such department...

...•or property on account of the performance of his official duties, or corruptly or by threats or force, or by any threatening letter or communication,...endeavors to influence, obstruct, or impede, the due administration of justice, shall be fined not more than $5,000 or imprisoned not more than five years,...

...person or property on account of the performance of his official duties, or corruptly or by threats or force, or by any threatening letter or communication...endeavors to influence, obstruct, or impede, the due administration of Justice, chall be fined not more than $5,000 or imprisonment not more than five years,...

...person or property on account of the performance of his official duties, or corruptly or by threats or force, or by any threatening letter or communication...endeavors to influence, obstruct, or impede, the due administration of justice, shall be fined not more than $5,000 or imprisonment not more than five years,...

...and Labor Department proceedings. Section 1505 of Title 18 provides that "[w]hoever corruptly . . . influences, obstructs, or impedes or endeavors to...due and proper administration of the law under which [a] proceeding is being had before [a] department or agency of the United States . . . [s]hall be fined...

...due and proper administration of the law under which a proceeding is being had before a department or agency of the United States, or the due and proper exercise of the power of inquiry under which an inquiry or investigation is being had by either House, or any committee of the Congress. US v. Fruchtman,...

...any documentary material which is the subject of such demand; or Whoever corruptly, or by threats or force, or by any threatening letter or communication...of the law under which such proceeding is being had 37-195 O - 75 - 28 before such department or agency of the United States, or the due and proper exercise...

...any documentary material which Is the subject of such demand ; or Whoever corruptly, or by threats or force, or by any threatening letter or communication...impede the due and proper administration of the law tinder which such proceeding is being had before such department or agency of the United States, or...

...person or property on account of the performance of his official duties, or corruptly or by threats or force, or by any threatening letter or communication,...endeavors to influence, obstruct, or impede, the due administration of justice, shall be fined not more than $5,000 or imprisoned not more than five years,...