Skip to content
MiPRFácil
ESEN
Safety & Licensing

Livestock theft: how to prove the animal is yours

Last reviewed: August 29, 2026VerifiedAgricultura

In short

Act 517-2004 establishes as public policy the protection of livestock as the principal asset of farmers engaged in animal husbandry, through measures aimed at preventing its theft. It creates a livestock movement period within which farmers, their employees or any authorised person must carry out all moving and transport for penning, feeding, grazing, milking, mating, veterinary treatment, exhibition, inventory, disposal of dead animals or animals ready for consumption, cremation, sale, deposit, rental or any other lawful business. The Secretary of Agriculture shall establish by regulation the hours of that period and the waiver mechanisms for special schedules. A rebuttable presumption is established that any person caught transporting livestock, in any vehicle or on foot, outside those hours holds illegal possession and custody of that livestock, and the same presumption applies to anyone who within the hours transports it in vehicles neither authorised nor certified. The Secretary shall establish by regulation an electronic livestock identification system based on a microchip, the formalities to justify ownership, the formalities to authorise employees or third parties to transport, the requirements to certify vehicles and the administrative penalties. The Police of Puerto Rico, the municipal police and the Department’s inspectors may intervene and seize the livestock and the vehicles; those who cannot establish legitimate possession shall be summoned to the district prosecutor’s office the next working day. Any person caught stealing livestock or holding illegal possession and custody of stolen livestock commits a felony, and the court may impose restitution and a fine of not less than five hundred nor more than ten thousand dollars in addition to the prison term.

External link

Go to the official site

You'll leave MiPRFácilOpens in a new tab

bvirtualogp.pr.gov

What is it?

It is the law that treats livestock theft as what it is for a rancher: the loss of the main asset. It does two things. It sets hours for moving livestock and presumes that whoever moves it outside those hours holds it illegally. And it punishes theft as a felony, regardless of what the animal was worth or whether it turned up later. What matters most if you are the one legitimately moving livestock is that the presumption can land on you too if you are not carrying the papers.

Who can do it?

The Act protects the “Farmer,” defined as any natural or juridical person engaged in raising, buying and selling livestock for the production of meat, milk and other products and derivatives. And it defines “Livestock” more narrowly than people assume: “any group of domestic animals, especially of the same species, such as pigs, bulls, steers, oxen, cows, heifers, calves, goats, kids, sheep, lambs, etc., used for the production of meat, milk and other products and derivatives.” Note two things: the list does not mention horses, and the tie is to use for producing meat, milk and derivatives. If your animal does not fit that definition, this specific Act is not the one that applies, and we will not stretch it for you.

Requirements

Documents you need

Information pending verification.

Cost

Check the current cost with the official agency.

Step by step

  1. Step 1: The presumption that can land on you too

    It is the heart of the Act and must be read carefully because it does not distinguish between a thief and a careless rancher. Article 5: “A rebuttable presumption is established that any natural or juridical person caught transporting livestock in any type of vehicle, whether or not an authorised vehicle …, or on foot, or by whatever means of transport, outside the hours comprised in the livestock movement period the Secretary of Agriculture establishes by regulation, holds illegal possession and custody of that livestock.” And the second half follows: the same presumption falls on anyone who, even within the hours, transports livestock “in vehicles neither authorised nor certified.” Rebuttable means you can rebut it, but the weight starts against you.

  2. Step 2: What the movement period is and why we give you no hour

    The Act creates the period but leaves the clock to regulation. The article titled “Livestock Movement Period” says that within it “farmers, their employees or any person they authorise must carry out all the business inherent to moving and transporting livestock,” and lists what for: penning, feeding, grazing, milking, mating, veterinary or any other treatment the Secretary requires, exhibition, inventory, disposal of dead animals or animals ready for consumption, cremation, sale, deposit, rental “or any other lawful business.” Article 4 leaves the hours and “the waiver mechanisms to authorise the transport of livestock at special hours” to the Secretary’s regulation. We publish no hour because the Act carries none; we do tell you a waiver route exists and must be requested at the Department.

  3. Step 3: Carry with you the means to prove it is yours

    The Act charges the regulation with four things that are, in practice, your defence on the road. Article 5 requires the Secretary to establish: “(a) an electronic livestock identification system; (b) the formalities to establish and justify ownership of the livestock; (c) the formalities for owners to authorise employees and/or third parties to transport their livestock so that they can establish and justify legitimate possession of it; (d) the requirements to certify vehicles authorised to transport livestock.” Item (c) is the most forgotten: if you send someone to move the animals, that person needs to carry the authorisation — it is not enough that you know they are acting for you.

  4. Step 4: The microchip and the federal help the Act requires seeking

    The Act does not leave the identification method open. Article 5: “As regards electronic identification of livestock, the technology based on the use of a passive electronic device called a microchip shall be used.” And it adds a duty that helps the rancher’s pocket: “the Department of Agriculture of Puerto Rico shall undertake steps before the Animal and Plant Health Inspection Service (APHIS) of the United States Department of Agriculture (USDA) in order to identify possible funds to help livestock owners in Puerto Rico cover the expenses they incur from implementing this Act.” If you are asked who pays for the microchips, that effort is a duty of the Department, not a favour.

  5. Step 5: What happens at the stop, step by step

    Article 6 orders it this way. First, who may stop you: “The Police of Puerto Rico, as well as municipal police and inspectors of the Department of Agriculture, are empowered to intervene.” Second, what they take: the livestock whose legitimate possession cannot be established at that moment, “as well as the vehicles in which the livestock is transported.” Third, where you go: “Persons who at the time of the intervention cannot establish or justify legitimate possession or title over the seized livestock … shall be summoned the next working day to the district prosecutor’s office for the corresponding investigation.” Fourth, if theft is confirmed charges are filed, the prosecutor orders confiscation of the vehicles under the Uniform Confiscations Act — the compilation notes Act 93-1988 was repealed and replaced by Act 119-2011 — and orders “the return of the seized livestock” to whoever justified title.

  6. Step 6: If nobody proves ownership, the livestock goes to auction

    Worth knowing because the clock runs. Article 6 closes: even if the investigation identifies no injured party, if the person stopped cannot justify legitimate title or possession, the livestock “shall be left under the custody and care of the Department of Agriculture, which shall dispose of it under the regulation it establishes for those purposes,” a regulation that must set “an agile, quick and economical procedure, with all legal and constitutional safeguards, for the auction of that livestock.” What the auction raises is assigned to the Department “to cover the expenses incurred for the care, custody and preservation.” If animals of yours were seized, title must be proved promptly.

  7. Step 7: While it is investigated, the animal may not be harmed

    Article 7 sets a duty of care that helps anyone whose animals end up seized: the Police, municipal police or inspectors, as soon as they intervene, “shall coordinate, as promptly as possible, with the Department of Agriculture and other pertinent agencies so that the facilities and personnel necessary to handle and guard the seized livestock are assigned, in such a way that it suffers no harm during the investigation process.” And who ultimately pays for that is not you if you are the victim: “the expenses incurred for those purposes shall be imposed as costs at the time of sentencing against the person(s) convicted or fined.”

  8. Step 8: It is a felony, and the value does not matter

    Article 8 is blunt in what it does make clear: “Any person caught stealing livestock or holding illegal possession and custody of stolen livestock, under Article 5 of this Act, commits a felony.” And it removes two common defences: “Neither the value of the seized livestock nor the fact that the livestock in question was recovered shall be a requirement for the offence to be made out.” The six aggravating circumstances the Act itself lists are: a prior felony conviction under this Act; livestock value over ten thousand dollars; significant damage to the livestock or to the facilities it was taken from; bodily harm to any person other than the offenders; taking by violence or intimidation; and harm to any agent or inspector at the moment of intervention. Besides prison, the court may impose restitution and “a fine of not less than five hundred (500) dollars nor more than ten thousand (10,000) dollars.”

  9. Step 9: Two things in the text that do not add up, and we say so

    First, the sentence. Article 8 says literally: “shall be punished with imprisonment for a fixed term of five (5) years. Should mitigating circumstances exist, that penalty may be reduced to a minimum of ten (10) years; should aggravating circumstances exist, it may be increased to a maximum of fifteen (15) years.” Read it twice: a five-year sentence cannot be “reduced” to a minimum of ten. The sentence does not work as compiled. We quote it exactly, tell you it is incoherent, and do not guess what the legislator meant: for the penalty that actually applies you need the original text and a lawyer. Second, the numbering: the compilation carries two articles numbered 3 — “Definitions” and “Livestock Movement Period” — and Article 4 refers to the second calling it “Article 3 of this Act.” That is why in this guide we cite by heading and not only by number.

Where to do it

At the Department of Agriculture for everything preventive: the movement period’s hours, the waiver for special hours, electronic microchip identification, the formalities to justify title, the authorisation of employees and third parties, and vehicle certification. For a roadside intervention, the Act empowers the Police of Puerto Rico, the municipal police and the Department’s inspectors. If livestock of yours was seized, the investigation runs at the district prosecutor’s office, where you are summoned the next working day. The Act publishes no form, office, address, telephone or hours, and we do not invent them.

How long it takes

Check the current processing time with the official agency.

What to do if something goes wrong

What we did not read and therefore do not publish: all the regulation Article 5 orders the Secretary to establish. That is where the concrete hours of the livestock movement period live, along with the waiver mechanisms, the electronic identification system and who pays for the microchips, the formalities to prove title, the form of the authorisation for employees and third parties, the vehicle certification requirements, the administrative penalties and the auction procedure. Without that regulation there is no complete guide, and saying so is more honest than inventing an hour. We also did not read the Uniform Confiscations Act, which the compilation itself notes was replaced by Act 119-2011, nor the Penal Code. That is why cost and time are unverified: the Act sets no fees or terms for the citizen. A scope limit worth repeating: this Act’s definition of “livestock” is tied to use for producing meat, milk and derivatives, and its list of examples does not mention horses.

Common mistakes

  • Moving livestock before dawn without a waiver: outside the movement period’s hours, illegal possession and custody is presumed.
  • Believing being within the hours is enough: the same presumption applies if the vehicle is neither authorised nor certified.
  • Sending an employee without written authorisation: the regulation must set that formality precisely so they can justify legitimate possession.
  • Thinking on foot does not count: the presumption expressly covers transport on foot or by whatever means.
  • Assuming a low-value animal is not a felony: the Act says value is not a requirement for the offence.
  • Believing recovering the animal closes the case: the Act says it is likewise no requirement that the livestock was not recovered.
  • Delaying proof of title after a seizure: if nobody justifies it, the livestock may end up auctioned under the Department’s custody.
  • Assuming horses and mules are included: this Act’s livestock definition lists pigs, cattle, goats and sheep for meat and milk production, and does not mention them.

Frequently asked questions

At what hours may I move livestock?

The Act creates the livestock movement period but leaves the hours to the Secretary of Agriculture’s regulation, along with the waiver mechanisms for special schedules. We publish no hour because the text carries none: ask the Department.

What do I carry to prove the livestock is mine?

Whatever the regulation sets: the Act orders the Secretary to establish the formalities to justify ownership, the authorisation for employees and third parties, vehicle certification and an electronic microchip identification system.

What happens if I am stopped and cannot prove it?

They may seize the livestock and the vehicle for investigation, and you are summoned the next working day to the district prosecutor’s office. If the investigation confirms theft, charges are filed.

Does the animal’s value matter?

For the offence to exist, no: the Act says neither the value nor the fact the livestock was recovered is a requirement. A value over ten thousand dollars is, however, an aggravating circumstance.

What exactly is the sentence?

It is a felony, with a possible fine of five hundred to ten thousand dollars and restitution in addition to prison. The sentence fixing the years is badly drafted in the compilation — it says mitigating circumstances reduce a five-year term “to a minimum of ten” — so for the actual penalty you need the original text and a lawyer.

Official sources

These are the government pages this guide is based on.

Last verified

August 29, 2026

MiPRFácil is an independent informational website and is not affiliated with, endorsed by, or operated by the Government of Puerto Rico or any government agency.

MiPRFácil does not submit applications on your behalf.

Was this guide helpful?

Did you find out-of-date information?

Did you find out-of-date information?

No account needed. We don't ask for personal data.