(1) The person who would be directly benefited by the cancellation of the testamentary disposition is entitled to avoid it.
(2) Where, in the cases governed by section 2078, the mistake relates only to a particular person and where this person is entitled to avoid or would be entitled to avoid if they had been alive at the time of the devolution of the inheritance, no other person is entitled to avoid.
(3) In the case governed by section 2079, only the person entitled to a compulsory portion is entitled to avoid.