Article 759

Whosoever claims rights under a will shall prove the existence and the contents of such will.

The existence and contents of a public or holograph will shall be proved by producing the instrument itself in which such will is contained, or a copy thereof certified to be true by the notary or registrar who has received the will for the deposit thereof in his archives.

They may not be proved by any other means for the purpose of obtaining their execution.

They may be proved by any means for the purpose of obtaining damages from the person who, through his fault or negligence, has caused the will to disappear.