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The supply contract: periodic deliveries and their rules

Last reviewed: September 9, 2026VerifiedPoder Judicial

In short

Article 1297 of the Civil Code of 2020 defines the contract: by the supply contract, the supplier binds itself to deliver goods periodically or continuously to the supplied party, who binds itself to pay a price for each performance or series of performances; and it adds that supply may also be of services rendered by an independent contractor. Article 1298 sets the ceiling and the exit: supply may be agreed for a maximum term of ten years, counted from the first delivery; and where no term has been agreed, either party may rescind the contract in the form and terms agreed, with a closing rule for when there is no agreement — the notice must be effectively served within a reasonable term that will never be less than thirty days. Article 1299 settles quantities where none were agreed: the supplied party determines them according to the needs of their personal or professional activity, and will notify variations in the form and periods agreed. Article 1300 clarifies that the legal or contractual delivery period is presumed to be in the interest of both parties. Article 1301 fixes the price absent agreement by two routes: according to the price of similar performances the supplier makes at the time and place of each delivery, or by the current value in the marketplace at the time and place of each delivery. And Article 1302 sets the payment clock: save agreement to the contrary, within the first ten days of the calendar month following the delivery.

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What is it?

They are Articles 1297 to 1302 of the Civil Code of 2020, the part of Chapter III of Title II of Book Five that defines the supply contract and fixes its duration, quantities, period, price and payment term.

Who can do it?

Anyone receiving or delivering goods periodically or continuously under a contract governed by the Civil Code, or services rendered by an independent contractor in that same way.

Requirements

Documents you need

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: What supply is

    Article 1297: the supplier binds itself to deliver goods periodically or continuously to the supplied party, who binds itself to pay a price for each performance or series of performances. What distinguishes it from a one-off sale is periodicity or continuity.

  2. Step 2: It may also be of services

    The second paragraph of the same article says it plainly: supply may also be of services rendered by an independent contractor.

  3. Step 3: The ceiling: ten years

    Article 1298: supply may be agreed for a maximum term of ten (10) years, counted from the first delivery. The article does not say what happens to anything agreed above that ceiling, and this guide does not fill it in.

  4. Step 4: Getting out of a supply with no term

    Where no term has been agreed, either party may rescind the contract in the form and terms agreed. That is: what the parties agreed about how it ends governs first.

  5. Step 5: And if they did not agree how either

    The statutory floor steps in: absent agreement, the notice must be effectively served within a reasonable term that will never be less than thirty (30) days. Thirty days is the floor, not the ceiling: the article also requires the term to be reasonable.

  6. Step 6: Who decides how much is delivered

    Article 1299: if there is no agreement on quantities, the supplied party determines them according to the needs of their personal or professional activity. And they will notify variations in the form and periods agreed.

  7. Step 7: The delivery period belongs to both

    Article 1300, a single line: the legal or contractual delivery period is presumed to be in the interest of both parties. Neither may treat it as theirs alone.

  8. Step 8: The price, if none was agreed

    Article 1301, two routes: according to the price of similar performances the supplier makes at the time and place of each delivery, or by the current value in the marketplace at the time and place of each delivery. Note that both are measured delivery by delivery.

  9. Step 9: When payment is due

    Article 1302: payment of the price, save agreement to the contrary, must be made within the first ten (10) days of the calendar month following the delivery. It is a fallback rule: if the contract says otherwise, the contract governs.

Where to do it

Supply is agreed and performed between the parties; the Code orders no trip to any agency. If your supply is electricity, water or telecommunications service, those services are governed by their own statutes and regulations, with separate guides on this site, and they do not come from this chapter. Contract disputes 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 a delivery failed and you want to rescind or suspend, that is in the chapter’s last two articles and has its own guide here. If your contract is a single purchase rather than periodic deliveries, the sales chapter applies. If the supply comes from an agency or a regulated utility, its rules govern its own ground and we did not read them here. This chapter does not say what happens to a supply agreed for more than ten years, does not define what a reasonable term above thirty days is, and does not say who chooses between the two price routes. MiPRFácil does not represent anyone in court and gives no legal advice.

Common mistakes

  • Agreeing a supply for more than ten years counted from the first delivery.
  • Counting the ten years from signing rather than from the first delivery.
  • Ending an open-ended supply with less than thirty days’ notice where there is no agreement on the form.
  • Giving the notice without effectively serving it.
  • Believing thirty days always suffices: the term must also be reasonable.
  • As the supplier, setting the quantities where none were agreed: the supplied party determines them by the needs of their activity.
  • As the supplied party, varying quantities without notifying in the form and periods agreed.
  • Treating the delivery period as if it were in one party’s interest alone.
  • Paying late: absent agreement, the period is the first ten days of the month following delivery.
  • Applying this chapter to electricity, water or telecommunications service, which have their own regulation.

Frequently asked questions

How long may a supply contract last?

Article 1298 fixes a maximum term of ten years, counted from the first delivery.

We set no term. How does it end?

Either party may rescind it in the form and terms agreed. If nothing was agreed on that, the notice must be effectively served within a reasonable term never less than thirty days.

We fixed no price per delivery. What is paid?

Article 1301 determines it according to the price of similar performances the supplier makes at the time and place of each delivery, or by the current value in the marketplace at that same time and place.

When is payment for each delivery due?

Save agreement to the contrary, within the first ten days of the calendar month following the delivery, under Article 1302.

Official sources

These are the government pages this guide is based on.

Last verified

September 9, 2026

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