Cap. 16 · Civil Code (Cap. 16)
Cap. 16 Art. 1239Agreements may not be made in derogation of legal order of succession.
Title V
It shall not be lawful for the future spouses to enter into any agreement or to make any waiver tending to vary the legal order of succession either with respect to themselves in regard to the succession of their children or descendants, or with respect to the children between themselves, saving such testamentary dispositions and such donations as are allowed under the provisions of this Code.