A. The notarial testament shall be prepared in writing, dated, executed before a notary public in the presence of two witnesses, and signed by the testator, each witness, and the notary. If a testator is unable to sign, the testator may affix his mark in place of signing or direct another person to sign on behalf of the testator and in the presence of the testator.
B. The signature may appear anywhere in the testament and is sufficient if it identifies the testator and evidences an intent by the testator to adopt the document as the testator's testament.
C. The date may appear anywhere in the testament, may be clarified by extrinsic evidence, and is sufficient if it resolves those controversies for which the date is relevant.