2309.10 (C) (1) What Is a Sworn Certification?
A sworn certification is defined as:
• “An affidavit under the official seal of any officer authorized to administer oaths within the United States, or”
• “[I]f the original is located outside of the United States, [an affidavit] under the official seal of any diplomatic or consular officer of the United States or of a person authorized to administer oaths whose authority is proved by the certificate of such an officer, or”
• “A statement in accordance with section 1746 of title 28 of the United States Code.”
37 C.F.R. § 201.4 (A) (3) (I).