A notary public is a public servant appointed by a state official. The general focus of his or her job is to witness the signing of documents and administer oaths. They serve to deter fraud, appearing as an impartial witness for legal documents such as affidavits, deeds or powers of attorney. The presence of a notary public helps to screen for imposters and make sure both parties are entering into an agreement knowingly and willingly.

Historically, notary publics date back many centuries to the Roman Empire. Originally, they where chosen by the Pope, who would delegate his powers of appointment to the Archbishop of Canterbury.

Certain legal documents require the presence of a notary when they are signed. Other times private companies or individuals may employ the services of a notary in order to strengthen the validity and protect participating parties from fraud.

Some states require that the notary public be present at the time of a document