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The price in a sale: who sets it and what if the parcel measures otherwise

Last reviewed: September 9, 2026VerifiedPoder Judicial

In short

Article 1282 of the Civil Code of 2020 settles who sets the price and what happens when nobody did. The price is agreed by the parties or determined by a third person they designate; where the designated person will not or cannot determine it, the court does. The parties may also agree that the price be that of the thing on an exchange or market at a given place and day. In the sale of goods the seller habitually sells, if the parties have neither determined the price nor agreed the mode of determining it, the price normally set by the seller governs. For goods with an exchange or market price, the price of the place where delivery is to be made is presumed. Where the price is fixed by weight, it refers to net weight. And there is a hard limit: the sale is null where the determination of the price is left to the will of one of the parties. The other two articles are about parcels of land. Article 1283: where the object is a parcel and the price was agreed as a lump sum, there is no increase or decrease of the price even if the area turns out greater or smaller. Article 1284, by contrast: where the price is agreed by unit of surface measure or by quality of the land, its price is the one resulting from the real surface or quality, and the parties may claim the corresponding adjustment from each other; and if the surface or quality exceeds five per cent of what the contract states, the buying party has the right to rescind the sale.

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What is it?

They are Articles 1282 to 1284 of the Civil Code of 2020, the price section of the sales chapter: how it is determined, when the sale is void for lack of a certain price, and the two different rules for parcels sold as a lump sum or by measure.

Who can do it?

Buyers and sellers under the Puerto Rico Civil Code, and in particular anyone who bought or sold a parcel whose real area does not match the contract’s.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: Who sets the price

    Article 1282 opens like this: the price is agreed by the parties or determined by a third person they designate. Those are the two ordinary routes, and the second must be designated.

  2. Step 2: If the third person will not or cannot

    The same article settles it: where the designated person will not or cannot determine it, the court determines the price. The article does not say on what criterion, and this guide does not invent one.

  3. Step 3: Exchange or market price

    The parties may agree that the price be that of the thing on an exchange or market at a given place and day. And if the thing has an exchange or market price, the price of the place where delivery is to be made is presumed.

  4. Step 4: What the seller sells every day

    In the sale of goods the seller habitually sells, if the parties neither determined the price nor agreed the mode of determining it, the price normally set by the seller governs. It is the rule that keeps an ordinary deal from collapsing because numbers were never discussed.

  5. Step 5: By weight means net weight

    A short line of the same article: where the price is fixed by weight, it refers to net weight. Not gross.

  6. Step 6: The limit: nobody sets the price alone

    Article 1282 closes: the sale is null where the determination of the price is left to the will of one of the parties. Writing that "the seller will set the price later" falls within that phrase.

  7. Step 7: Parcel at a lump-sum price: no adjustment

    Article 1283: where the object is a parcel and the price was agreed as a lump sum, there is no increase or decrease of the price even if the area turns out greater or smaller. A lump-sum price buys the whole, at whatever the measure turns out to be.

  8. Step 8: Parcel by measure: it does adjust

    Article 1284: where a parcel’s price is agreed by unit of surface measure or by quality of the land, its price is the one resulting from the real surface or quality, and the parties may claim the corresponding adjustment from each other. The adjustment runs both ways.

  9. Step 9: The 5% that opens the door to rescission

    The last line of Article 1284: if the surface or quality exceeds five (5%) per cent of what the contract states, the buying party has the right to rescind the sale. The article gives the right to rescind to the buying party; this guide does not extend it to anyone else.

  10. Step 10: The clock for a cabida claim is not here

    This section sets no deadline. The one that exists is in Article 1289: actions arising from lesser or greater surface area must be brought within six months from when risk passes to the buyer. That is in the seller-and-buyer obligations guide.

Where to do it

The price is agreed between the parties; there is no agency. Only where the designated person will not or cannot determine it does the court step in, under Article 1282 itself. Disputes over area or adjustment are decided by the Court of First Instance.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

If the problem is that the thing came out defective rather than that the measure does not match, that is warranty and hidden defects, with its own guide. If you want to know how long you have to claim over area, that period is in Article 1289 and its guide. These articles do not say on what criterion the court fixes the price, give no tolerance of their own to a lump-sum price, and do not extend the 5% right of rescission to the selling party. MiPRFácil does not represent anyone in court and gives no legal advice.

Common mistakes

  • Writing that one of the parties will set the price later: that makes the sale null.
  • Believing there is no sale without a written price: if the seller habitually sells that good, the price they normally set governs.
  • Designating a third person to set the price and providing nothing if they will not or cannot: the court determines it.
  • Counting the price by gross weight: the article says net weight.
  • Asking for a reduction over lesser area in a parcel bought at a lump-sum price.
  • Believing only the buyer may claim in a sale by unit of measure: the parties may claim the adjustment from each other.
  • Applying the 5% to a lump-sum sale: that threshold belongs to Article 1284.
  • Letting Article 1289’s period run out for the area action.

Frequently asked questions

We signed without stating a price. Is the sale valid?

It depends. If the seller habitually sells that good and neither the price nor the mode of determining it was agreed, the price the seller normally sets governs. What is null, under Article 1282, is leaving the determination of the price to one party’s will.

I bought a parcel and it measures less than stated. Do I get money back?

If the price was agreed by unit of surface measure or by land quality, the price is that of the real surface or quality and the adjustment may be claimed. If it was agreed as a lump sum, Article 1283 admits no increase or decrease.

When may I back out of the purchase over the measure?

Article 1284 gives the buying party the right to rescind the sale if the surface or quality exceeds five per cent of what the contract states.

We left the price to an appraiser and they refused. Does the deal collapse?

Not under Article 1282: where the designated person will not or cannot determine it, the court determines the price.

Official sources

These are the government pages this guide is based on.

Last verified

September 9, 2026

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