(2) If a document under subsection (1) is attested by a magistrate, notary royal or a justice of the peace or, if executed outside Saint Lucia, by a judge or registrar of a court of record, a magistrate, a commissioner for oaths, a notary public or a British diplomatic or consular official, the document is admissible without further proof of the signature of the person by whom it is executed; and for the purposes of this subsection, a document purporting to be attested is deemed to be so attested, and to be executed and attested on the date and at the place specified in the document, unless the contrary is proved.