signed by someone authorized to administer oaths, certify documents, and attest to the authenticity of signatures such as a notary public or Delaware attorney.

A document in which the signing parties have appeared before a Notary Public of the State of California.

The affirmation of an agent (the notary) of the state affirming that the signature on the document being "notarized" is in fact the signature of the person purportedly signing the document.