Must be signed before a notary. An Oath is not required.

Must be signed before a notary. An Oath attesting to the truthfulness of the document is then administered.

Does NOT need to be signed before a notary, but physical presence is required. 

A notary is authorized to perform three types of notarizations

A notary cannot decide what type of notarial act a document requires. The client must know and tell the notary or the document itself must clearly indicate what’s needed. If the document does not clearly indicate or is personally drafted, a notarial certificate can be provided upon request for an additional fee.