When taking a deposition, a notary public is required to sign the deposition, affidavit, oath, or affirmation. What is the strictly mandated format for the notary's signature in this scenario?

It must be signed by the notary public in their own handwriting.

It must be applied using an ink stamp of their signature.

It must be digitally signed using a cryptographic key.

It must be signed and accompanied by the notary's right thumbprint.