18 U.S.C. § 505 — Seals of courts; signatures of judges or court officers

Whoever forges the signature of any judge, register, or other officer of any court of the United States, or of any Territory thereof, or forges or counterfeits the seal of any such court, or knowingly concurs in using any such forged or counterfeit signature or seal, for the purpose of authenticating any proceeding or document, or tenders in evidence any such proceeding or document with a false or counterfeit signature of any such judge, register, or other officer, or a false or counterfeit seal of the court, subscribed or attached thereto, knowing such signature or seal to be false or counterfeit, shall be fined under this title or imprisoned not more than five years, or both.