53. A notarial act must contain the signatures of the parties or their declaration that they are unable to sign, the signatures of the witnesses and the official signature of the notary or notaries.
The official signature of any notary, other than the officiating notary, before whom a party signs shall constitute a sufficient designation.
Where a party signs a notarial act in the presence of a notary other than the officiating notary, and the notary signs an attestation entered in the act pursuant to the second paragraph of section 50, the party is deemed for the purposes of the act to have appeared before the officiating notary.