Which statement best defines an oath or affirmation in notarial terms?

Which statement best defines an oath or affirmation in notarial terms?

• A. A casual verbal assurance.
• B. A requirement to sign under penalty of perjury.
• C. A solemn promise to tell the truth or to support the contents of the document, administered by the notary.
• D. A notarial technique to verify identities.

Answer: (C)