(a)Except as otherwise provided in this section, whoever, in any matter within the jurisdiction of the executive, legislative, or judicial branch of the Government of the United States, knowingly and willfully
(3)(1)falsifies, conceals, or covers up by any trick, scheme, or device a material fact;
(2)makes any materially false, fictitious, or fraudulent statement or representation; or
(3)makes or uses any false writing or document knowing the same to contain any materially false, fictitious, or fraudulent statement or entry
shall be fined under this title or imprisoned not more than 5 years, or both.
Whoever fraudulently or wrongfully affixes or impresses the seal of any department or agency of the United States, to or upon any certificate, instrument, commission, document, or paper or with knowledge of its fraudulent character, with wrongful or fraudulent intent, uses, buys, procures, sells, or transfers to another any such certificate, instrument, commission, document, or paper, to which or upon which said seal has been so fraudulently affixed or impressed, shall be fined under this title or imprisoned not more than five years, or both
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