Civil Code (Cap. 16), article 673

673. (1) In places with which communications have been interrupted by order of the public authority, a will may be rec eived in writing, in the pr esence of two witnesse s, by a judge, magis trate, or notary, or by the parish prie st, or other ecclesiastic in ho ly orders. (2) Such will shall in all cases be, on pain of nullity, signed by the person receiving it. (3) Such will shall, moreover, on pain of nullity, be signed, where practicable, by the testato r and the witnesses. If under the 180 [CAP. 16. CIVIL CODE circumstances the signing of the will by the testator and the witnesses is not practicable, th ere shall, on pain of nullity, be entered in the will a declaration stating the reason for which such signatures have not been affixed. (4) In any such will, any person of either sex, provided he or she has attained the age of eigh teen years, may act as a witnes s. When such will becomes void.