(1) If a descendant who would be obliged to adjust advancements as an heir ceases to be an heir before or after the devolution of the inheritance, then the descendant who takes their place is under obligation to make adjustments for the gifts made to them.
(2) If the deceased appointed a substitute heir for the heir who ceases to be an heir, then in case of doubt it is to be assumed that it is not intended for the substitute heir to receive more than the descendant would receive, taking into account the duty to adjust advancements.