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Animiyo
Documents and paperwork15 minLevel: BeginnerUpdated on August 6, 2026

Registering your cat in the pet identification register

How to register your cat: check whether it is required in your region, have the vet apply the microchip, and keep your details correct and up to date.

Audience
Pet owners
Species
Cat
Scope
Italy

What you need before you start

  • Un gatto di cui sei il detentore o il proprietario
  • Un documento di identità tuo e il codice fiscale
  • Il contatto di un veterinario abilitato o della ASL veterinaria della tua zona
  • Eventuali documenti già in tuo possesso sul gatto: libretto sanitario o certificato di applicazione del microchip

The pet identification register is the record that links an animal to its keeper through a unique code, the microchip. Originally built mainly for dogs, in many Italian regions registration is being extended to cats and other companion animals, in some cases as an obligation and in others as a recommended option. Registering your cat gives it a stable identity: if it goes missing, is found, or you need to show who cares for it, the microchip and the register entry speak for you. This guide explains how to work out whether and how to register your cat, what to prepare, how the procedure goes, and what to do afterwards to keep the details current. One point must be clear from the start and applies throughout: obligations, timing, costs and procedures change from region to region and over time, so the source to start from is always your region, the veterinary public health service or your vet, not a generic figure read online. This guide helps you order the steps and the questions to ask, not replace local rules.

Why register your cat and when it matters

Registration links the cat to you through a microchip, a small device the size of a grain of rice that a vet inserts under the skin and that carries a unique numeric code. That code, tied to your details in the register, lets a vet, a shelter or the authorities trace who cares for the animal. It is the difference between a lost cat that comes home and one left without a name.

  • Recovery: if the cat goes missing and is taken to a vet or shelter, the microchip read against the register leads back to you.
  • Proof of keeping: the register entry documents who cares for the animal, useful in many procedures.
  • Local obligation: in several regions registering a cat has become mandatory or strongly recommended, each with its own timing.
  • Travel and transfers: a stable identity is the basis for other procedures, from the passport to a change of ownership.

What to prepare before going to the vet

Registration almost always goes through the vet, who applies the microchip and sends the details to the register, or through the veterinary public health service. Turning up with the right information makes it quicker and avoids repeat visits. Here is what to bring.

  • A valid identity document and your tax code, because the entry must be in the name of a real person.
  • Your current contact details: address, phone and any email, so whoever finds the cat can reach you.
  • Any existing documents on the cat: health booklet, a certificate for an already applied microchip, or paperwork from the breeder or shelter.
  • Whether the cat already has a microchip: sometimes one is present but not registered in your name, and only the entry needs updating.
  • The questions to ask: obligation in your region, timing, cost and what proof of registration you receive.

The procedure step by step

  1. Check the obligation and process in your area

    Contact the veterinary public health service or your vet and ask whether, in your region, a cat must be registered, within what timeframe and with which body. It is the step that guides all the others.

  2. Book the microchip appointment

    Set an appointment with a qualified vet. If the cat has no microchip, the vet will apply one; if it already has one, the vet will simply read it and check the registration.

  3. Have the microchip applied or read

    Application is a quick procedure, similar to an injection under the skin. Afterwards ask for confirmation of the fifteen-digit code linked to your cat and note it down with the other details.

  4. Register your details

    The vet or the public health service send the microchip code and your keeper details to the register. Check that your name, tax code and contacts are written correctly before closing the procedure.

  5. Get proof of registration

    Ask for the document or receipt that confirms the registration and the microchip code. It is the paper that proves the cat is registered in your name.

  6. File everything in a safe place

    Keep the microchip code, the proof of registration and the register's contact details together with the animal's other documents, so you can find them quickly when needed.

After registration: updating and keeping records

A register entry is only worth as much as the truth of its data. If your address, your number or the animal's keeper changes, the entry must be updated, otherwise whoever finds the cat cannot reach you. Keeping the documents tidy saves last-minute scrambles.

When to update the register entry
SituationWhat to doWhy
Change of address or phoneReport the new contacts to the registerAn old contact makes the microchip useless if the cat is found
Transfer to a new ownerRegister the change of keeperThe entry must show who really cares for the cat
Death of the catReport the cessation per local instructionsKeeps the register clean and consistent
Going missingReport the loss at onceStarts the search and links a recovery to you

Frequently asked questions

Is registering a cat mandatory?
It depends on the region and the moment. In Italy the obligation to register in the pet register is well established for dogs, while for cats and other companion animals the picture varies: some regions have made it mandatory, others recommend it, each with its own timing and process that can change over time. To know what applies in your case, the correct source is the veterinary public health service in your area or your vet, not a generic figure read online. In any case, registering a cat is worthwhile even where it is not required, because a stable identity helps with recoveries and many procedures.
How much does it cost and how long does it take?
Cost and timing depend on your region, the body that handles registration and the vet, so this guide gives no figures: they would be misleading. Applying the microchip is a quick procedure of a few minutes, while registering the data may be done on the spot or take a few days depending on the local setup. When you book the appointment, ask in advance how much it costs, what is included and how long until you receive proof of registration, so you arrive prepared and without surprises.
My cat already has a microchip: do I still need to do anything?
Yes, it is worth checking. Having a microchip does not automatically mean being registered in your name: an adopted or transferred cat may carry a microchip still registered to a previous keeper, the breeder or the shelter. Ask the vet to read the code and check in the register who it is linked to. If it is not you, the entry should be updated with a change of keeper, so that the right person is contacted if the cat is found. It is a short check that avoids serious misunderstandings.
What is the difference between a microchip and registration?
They are two connected but distinct things. The microchip is the physical device with a unique code that the vet inserts under the cat's skin: on its own it is just a number. Registration is the act of linking that number to your details in the pet register, making it useful to trace you. An unregistered microchip, or one registered with old data, does not let anyone find you. That is why the two steps should be completed together and the data kept up to date over time.

What to do next

Registering your cat gives it a stable identity that matters for recoveries and many procedures. Start by checking with the veterinary public health service or your vet whether, in your region, registration is an obligation or a choice, and with what timing and cost. Book the visit, have the microchip applied or read, check that your name, tax code and contacts are correct, and get proof of registration. Keep the microchip code and documents with the rest of the animal's file, and update the entry after every move, change of number or transfer of ownership: a wrong contact makes the microchip useless just when it is needed.

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Registering your cat in the pet identification register · Animiyo