In short
A legacy written down does not always arrive alive. Article 1707 lists three things that leave it without effect, and the list is closed. First: that the testator transforms the legated good so that it keeps neither the form nor the denomination it had. Note the conjunction: failing to keep one of the two is not enough, the article asks for both. The second resolves the most cases: that the testator alienates, by any title or cause, the legated good or part of it; and if it was only a part, the legacy fails only as to the part alienated. Here comes what almost nobody expects. If after the alienation the good returns to the testator’s ownership, even by nullity of the contract, the legacy has no force after that fact. That is: selling kills the legacy, and getting the thing back does not revive it. The article leaves a single door open, and names it without explaining it: except where the reacquisition is verified by pacto de retroventa. What that pact is and how it works this section does not regulate, and it is not described here. The third cause: that the legated good is lost or destroyed. And a proviso worth knowing if you are a legatee: when the loss or destruction happens by the heir’s fault, the legatee receives its just value. Only by the heir’s fault. About a thing lost through the fault of the legatee, of a third party, or of the testator themselves, the article says nothing, and neither does this guide.
What is it?
It is Article 1707 of the Civil Code of 2020: the three causes that leave a legacy written in a will without effect, and what the legatee receives when the fault was the heir’s.
Who can do it?
Any legatee whose legated thing changed, was sold or disappeared before the testator’s death, and any heir who must deliver it.
Requirements
- The legacy is left without effect if the testator transforms the good so it keeps neither the form nor the denomination it had.Verified against the official source
- It fails if the testator alienates the good by any title or cause; if part is alienated, only as to that part.Verified against the official source
- If the good returns to the testator’s ownership, even by nullity of the contract, the legacy has no force after that fact.Verified against the official source
- The case where the reacquisition is verified by pacto de retroventa is excepted.Verified against the official source
- It fails if the good is lost or destroyed; and if that happens by the heir’s fault, the legatee receives its just value.Verified against the official source
Documents you need
Cost
Step by step
Step 1: If the testator transformed the thing
Article 1707(a): the legacy fails when the good keeps neither the form nor the denomination it had.
Step 2: Both, not one
The article says “neither… nor”. Losing only the form, or only the name, does not fit the item as written.
Step 3: If they sold it, the legacy falls
Article 1707(b): by any title or cause. If only a part was alienated, only that part falls.
Step 4: And getting it back does not revive it
Even if the good returns to the testator’s ownership, even by nullity of the contract, the legacy has no force after that fact.
Step 5: With a single exception
That the reacquisition be verified by pacto de retroventa. The article names it and does not explain it; neither does this guide.
Step 6: If the thing was lost or destroyed
Article 1707(c): the legacy is left without effect.
Step 7: Unless it was the heir’s fault
Then the legatee receives its just value. The article does not say who fixes that value.
Step 8: And about other faults, silence
The item names only the heir’s fault. About the legatee’s, a third party’s or the testator’s own it says nothing.
Where to do it
This article describes no procedure before any agency: it says when a legacy ceases to have effect. The Code does not say here what counts as transforming a good, who decides it, what the “just value” of item (c) is or who fixes it, or before which forum all this is disputed. Nor does it regulate here the pacto de retroventa it names as an exception. None of those gaps is filled here.
How long it takes
What to do if something goes wrong
If you were left a house and the testator sold it before dying, Article 1707(b) is bad news: the legacy fails on alienation by any title or cause. And if you learn they bought it back, do not treat the fight as won: the same item says that even if the good returns to their ownership — even if the sale contract turned out void — the legacy has no force after that fact. The only door left open is that the reacquisition was verified by pacto de retroventa, and this section does not regulate that figure; it is named here as the article names it and not described. If what they sold was only a part, the legacy falls only as to that part: the rest is still yours. If the thing changed so much it is unrecognisable, read item (a) carefully, because it asks two things at once: that it keep neither the form nor the denomination. If it keeps one of the two, the item, as written, does not fit. And if the thing was lost or destroyed, the legacy falls, with one proviso worth money: if the loss happened by the heir’s fault, you receive its just value. How much that just value is and who fixes it the Code does not say here. Nor does it say what happens if the fault was yours, a third party’s or the testator’s own. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Believing getting the thing back revives the legacy: Article 1707(b) says it has no force after that fact.
- Counting on the sale contract’s nullity to save the legacy: the article mentions it and discards it anyway.
- Forgetting the single exception: reacquisition by pacto de retroventa.
- Treating the whole legacy as fallen when the testator sold only a part: only that part falls.
- Applying item (a) when the good keeps the form or the name: the article requires it keep neither.
- Thinking an alienation other than a sale does not count: the article says by any title or cause.
- Claiming the just value when the loss was not the heir’s fault: item (c) covers only that fault.
- Looking in the article for who fixes the just value: it does not say.
Frequently asked questions
The testator sold the thing they left me. Do I lose the legacy?
Article 1707(b) leaves the legacy without effect when the testator alienates the good by any title or cause.
And if they later bought it back?
The same item says the legacy has no force after that fact, unless the reacquisition is verified by pacto de retroventa.
They sold only part of the thing. Does the whole legacy fall?
No. The article says in that case the legacy fails only as to the part alienated.
The thing was destroyed. Am I left anything?
Article 1707(c) leaves the legacy without effect, but if the loss or destruction happens by the heir’s fault, the legatee receives its just value.
Official sources
These are the government pages this guide is based on.
- Poder Judicial de Puerto Rico
Poder Judicial
bvirtualogp.pr.gov
Last verified
September 12, 2026
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