In short
Article 1336 of the Civil Code of 2020 starts from a broad rule: where the lease of things does not expressly prohibit it, the lessee may sublet the leased thing in whole or in part, without prejudice to their liability for performance of the contract towards the lessor. Subletting does not release the lessee. And the lessor may not refuse for any reason it likes: the article gives it two, and only two — where the assignee or sublessee does not have the same economic qualifications as the lessee, or where the activity or use they will carry out causes the lessor economic harm. The same article opens two direct routes: without prejudice to its rights against the lessee, the lessor has a direct action against the sublessee to collect the rent owed and for any other breach; and reciprocally, the sublessee has a direct action against the lessor to require performance of its obligations. Article 1337 settles the tangle of leasing the same thing to more than one person: the lessee who meets the requirements of the registry third party is preferred; failing registration, the first possessor is preferred; and where none has begun to possess it, the lessee whose title carries the oldest certain date is preferred. And Article 1338 says who may lease: any person with capacity to consent who is not covered by one of the prohibitions established for sales; the lessor may be the owner, the usufructuary or any other person whose powers of administration include leasing the thing; and one co-owner alone may not lease the thing without the consent of the others, although the contract may be ratified expressly or tacitly.
What is it?
They are Articles 1336 to 1338 of the Civil Code of 2020: assignment and subletting, the rule deciding who keeps the thing if it was leased to several people, and who may execute a lease.
Who can do it?
Lessees wishing to sublet or assign, lessors wishing to refuse, sublessees already installed, and anyone about to lease a thing owned by several people.
Requirements
- To sublet: that the lease contract does not expressly prohibit it.Verified against the official source
- For the lessor to refuse: that the assignee or sublessee lacks the same economic qualifications as the lessee, or that their activity or use causes the lessor economic harm.Verified against the official source
- To lease: capacity to consent and not being covered by the prohibitions established for sales.Verified against the official source
- If the thing belongs to several co-owners: the consent of the others, although the contract may be ratified expressly or tacitly.Verified against the official source
Documents you need
Cost
Step by step
Step 1: The rule is that you may
Article 1336: where the lease of things does not expressly prohibit it, the lessee may sublet the leased thing in whole or in part. The prohibition must be express; silence does not forbid.
Step 2: Subletting does not take you out of the contract
The same paragraph makes it clear: without prejudice to their liability for performance of the contract towards the lessor. The original lessee remains liable.
Step 3: The only two grounds for refusing
The article writes them down: where the assignee or sublessee does not have the same economic qualifications as the lessee, or where the activity or use they will carry out causes the lessor economic harm. There is no third one in the text. Worth noting: the consolidated text prints here "El arrendador solo se puede negarse", a grammatical slip in the source; we quote it as published.
Step 4: What the article does not say about the refusal
It does not define "the same economic qualifications", does not say in what form or within what period the lessor must refuse, and does not say what happens if it refuses on neither of the two grounds. This guide does not fill those gaps.
Step 5: The lessor may collect directly from the sublessee
Article 1336: without prejudice to its rights against the lessee, the lessor has a direct action against the sublessee to collect the rent owed and for any other breach.
Step 6: And the sublessee may claim directly from the owner
The route is reciprocal, and that matters to anyone living as a sublessee: the sublessee has a direct action against the lessor to require performance of its obligations.
Step 7: If the same thing was leased to two people
Article 1337, in order: the lessee who meets the requirements of the registry third party is preferred; failing registration, the first possessor is preferred; and where none has begun to possess it, the lessee whose title carries the oldest certain date is preferred.
Step 8: Who may lease a thing
Article 1338: any person with capacity to consent, provided they are not covered by one of the prohibitions established for sales. The Code does not repeat them here; they live in the sales article, with its own guide.
Step 9: You need not be the owner
The same article: the lessor may be the owner, the usufructuary, or any other person whose powers of administration include leasing the thing that is the object of the lease.
Step 10: If the thing belongs to several
Article 1338 closes: one co-owner alone may not lease the thing without the consent of the others, although the contract may be ratified expressly or tacitly. Tacit ratification is in the text as much as express.
Where to do it
All of this happens between the parties; the Code orders no trip to any agency. The registration Article 1337 mentions runs through the Property Registry and its own statute, which we did not read here. Disputes are decided by the Court of First Instance.
How long it takes
What to do if something goes wrong
If your question is about repairs, the landlord entering, or ending the lease for non-payment, that is the tenant-rights guide. If it is about how long the contract lasts or what happens on expiry, that is the other guide from this chapter. If you are being evicted, see the eviction guide. These articles do not define the economic qualifications, fix no form or period for refusing, and do not explain the requirements of the registry third party. MiPRFácil does not represent anyone in court and gives no legal advice.
Common mistakes
- Believing permission is always needed: if the contract does not expressly prohibit it, the lessee may sublet.
- Believing subletting releases the original lessee: they remain liable for performance towards the lessor.
- As the lessor, refusing on a ground other than the two the article writes down.
- As the sublessee, believing you may claim nothing from the owner: you have a direct action against them.
- As the lessor, believing you may only collect from the lessee: you have a direct action against the sublessee for the rent owed.
- Assuming that in a double letting whoever signed first wins: first the registry third party is looked at, then the first possessor, and only then the oldest certain date.
- Leasing a co-owned thing without the other co-owners’ consent.
- Forgetting that the missing consent may be cured by express or tacit ratification.
- Thinking only the owner may lease: the usufructuary, or anyone whose powers of administration include leasing, may too.
Frequently asked questions
May I sublet the apartment I rent?
Yes, if the contract does not expressly prohibit it, under Article 1336; you may do so in whole or in part, and you remain liable for performance towards the lessor.
The landlord says no. May they refuse just because?
The article gives it two grounds: that the assignee or sublessee lacks the same economic qualifications as the lessee, or that the activity or use they will carry out causes it economic harm. It writes no other.
I am a sublessee and the owner fixes nothing. May I claim against them?
Yes: Article 1336 gives the sublessee a direct action against the lessor to require performance of its obligations.
The same house was leased to two people. Who keeps it?
Article 1337 prefers the lessee who meets the requirements of the registry third party; failing registration, the first possessor; and if nobody possesses, the one whose title carries the oldest certain date.
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 9, 2026
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