What is Identification & Registration (I&R) for cat and dogs and why is it important? (2025)

What is Identification & Registration (I&R) for cat and dogs and why is it important? (1)

Could you imagine getting separated from your companion animal? In the dark about their whereabouts? It isn’t something we’d like to dwell upon but it could happen to anyone: the outdoors cat taking a wrong turn, ending up in a garden and getting adopted by the neighbour who thinks the cat is a stray, or a dog getting spooked, running off into the woods after a walk, and unable to find their way back home. By identifying and registering (I&R) your companion animal, you can’t prevent all possible calamities but you can ensure they can be identified and returned to you if found by a person or the police.

Many people aren’t aware of the crucial importance of microchipping and registering their cats and dogs. Even though it’s the only way to maximise the chances of being reunited with them, should they ever go missing, or worse, get stolen. Identification and Registration (I&R) is the only available traceability system that proves the link between a companion animal and their carer and it greatly increases the probability of being reunited.

Current legislation in the European Union for owned animals

I&R is mandatory throughout the EU but only when a cat or dog is officially moved from one country to another, meaning that it only applies when they are taken along on a holiday or move to a new country. EU countries can autonomously decide about their I&R legislation when it comes to their own borders, the majority of the EU states have mandatory I&R legislation for dogs while I&R for cats remains largely voluntary. When mandatory legislation applies, animals need to be microchipped and registered in between 2 and 4 months from birth. See the table below for more details:
What is Identification & Registration (I&R) for cat and dogs and why is it important? (2)

How does it work?

The identification process is relatively straight forward: a transponder, carrying the microchip, is inserted under the skin of the animal, a quick procedure that can only be facilitated by a veterinarian. The number of the chip is subsequently registered by the veterinary or a public authority into a government approved database for cats and dogs. After registering with the database, your registry will hold all the details of the owner including the name, home address, phone number, and email address, as well as the name and date of birth of the animal, and the ID number associated with the microchip. When an animal is found by someone, they can simply take the animal to a veterinarian, who will be able to detect the ID of the animal by using a microchip reader and looking up the contact details of the owner, by consulting the official registries of which they have direct access. Should the animal be found by the police, they will take care of identifying and getting in touch with the owner.

Why is it important?

This registration enables you to demonstrate your relationship to the animal, increasing the chance of being reunited with them but also decreasing the possibility of someone else simply pretending to be their carer. If you want to give yourself the best chance of being reunited, you should ensure you have chipped and registered your companion. And perhaps needless to say, it’s also important to keep your information up to date. If you (temporarily) move, simply edit the registered details, making sure that your animal is registered in your place of residence, especially if you change to other regions or countries. If you move from one country to another, even for a temporary period, it’s recommended that you register your companion animal in the official registry of the new place of temporary residence. It is also important to take note of EUROPETNET, an EU-wide registry operation that is progressively acquiring data from national registries in order to support the reunion of animals and their human companions. Europetnet can be consulted whenever an animal is found in a different country than they are registered in. As long as the animal is microchipped, it is possible to try and identify the owner by using the EUROPETNET search engine, which is available online.According to the latest statistics, animals who have been registered using I&R have a 50-90% chance of being reunited with their human companion. If you haven’t taken care of the I&R for your companion yet, make an appointment with your vet or an animal health authority as soon as possible.We will be sharing more content regarding I&R and animal welfare in Europe, so keep following us and if we are missing a topic, please don’t hesitate to contact us through facebook. We will be keeping a close eye on animal welfare regulation after 31-10-2019. This article might be subject to change after 31-10-2019.

If you like to know more about this topic, please visit the following websites:

The UK Government's website to find the right registry database for you and your companionThe European Commission regarding the full requirements to move an animal from one country to anotherFederation of Veterinarians of Europe for frequently asked questions regarding topics such as pet passports in all official EU languagesEUROPETNET for any information regarding companion animal traceability in the EU
What is Identification & Registration (I&R) for cat and dogs and why is it important? (2025)

FAQs

What is Identification & Registration (I&R) for cat and dogs and why is it important? ›

By identifying and registering (I&R) your companion animal, you can't prevent all possible calamities but you can ensure they can be identified and returned to you if found by a person or the police. Many people aren't aware of the crucial importance of microchipping and registering their cats and dogs.

What does cat registration mean? ›

Municipal law requires that all cats over the age of four months be licensed as a rabies control measure. Making sure your pet has its current license attached to its collar also is your best insurance of having your pet returned to you in case he or she becomes lost or gets out of your yard.

What is registering and why do some animals do it? ›

The primary goal of registries is to record and maintain breeding and ownership records of the purebred animals submitted to the registry. These record form the pedigree, or ancestry chart, of each animal.

What happens if my dog is microchipped but not registered? ›

What does it mean if my pets are microchipped but not registered? It means you skipped an important step. By not registering your information tagged to the serial number, the chips are useless. If lost, the pets will be found to have “blank” information to get them back to you.

How much is lifetime registration dog nsw? ›

Registration fee
Registration TypeFee
Dog – Not Desexed or Desexed (after the relevant age of 6 months)$252
Dog – Not Desexed (An animal with a vet's note exempting it from desexing)$75
Dog – Not Desexed (An animal with a vet's note exempting it from desexing + eligible pensioner)$32
8 more rows
Nov 6, 2023

What does it mean when a dog is registered? ›

Breed Recognition: Dogs registered with the AKC are recognized as purebred dogs of a specific breed. This recognition is essential for maintaining the integrity and standards of various dog breeds.

What is the purpose of papers for dogs? ›

Registration papers are the most reliable way to verify a dog's lineage and purebred status. Also: They enable breeders to participate in ethical breeding programs. Breeders need registration papers to register any offspring that their dog produces.

What is the purpose of animal identification? ›

Animal identification (ID) refers to keeping records on individual farm animals or groups of farm animals so that they can be easily tracked from their birth through the marketing chain.

Why do animals need identification? ›

A Collar and tag is a simple way of pet ID. With a name, address, and phone number on the tag, a pet can be easily reunited with their owners if ever lost or injured. If the pet has a microchip tag or even a rabies tag on the collar, this can also aid in the reuniting of a pet to their owner.

What does a registered animal mean? ›

Breed registries usually issue certificates for each recorded animal, called a pedigree, pedigreed animal documentation, or most commonly, an animal's "papers". Registration papers may consist of a simple certificate or a listing of ancestors in the animal's background, sometimes with a chart showing the lineage.

What happens if you don't register a microchip? ›

An unregistered microchip is extremely difficult to trace back to the owner, and a busy shelter may not have the time or resources to track down that information. (Remember: the registration needs to be updated if you ever move or change your phone number.)

What if my cat is not registered? ›

If you fail to register your cat or dog when required to do so you may be issued with a fixed penalty notice of $330, or a court may award a maximum penalty of up to $5500 or up to $6,500 if your dog is a restricted dog or a declared dangerous or menacing dog.

Does a microchip prove ownership? ›

Richards should not contact the microchip company to identify the person or organization that implanted the microchip. Microchip registration does not determine ownership of an animal.

Do cats need to be microchipped? ›

Yes, all cat owners must ensure their cat is microchipped from the 10 June 2024. This means that you should have your cat microchipped before this deadline.

Do all cats need to be microchipped? ›

The new rules means that cats must be microchipped before they reach the age of 20 weeks, except for unowned cats like feral and community cats. Indoor-only cats must be microchipped as well. As part of the new rules, you must keep your contact details up to date on a Defra-approved microchipping database.

How do I change the ownership of a dog? ›

You can pick up a transfer form at animal shelters, or from many veterinarians. You may also be able to download a copy of the form online. The form requires information about you and the new owner, as well as basic information about the pet.

Do you have to license your cat in Oregon? ›

1. Do I really need to license my pet in Oregon? Yes, all dogs and cats in Oregon are required to be licensed.

What is the meaning of cat tag? ›

Humane societies and rescue organizations recommend that dogs and cats wear these tags, which present that the wearer is not a stray, and contain information to enable someone encountering a lost pet to contact the owner.

Do you need a cat license in California? ›

Residents must provide proof of a California approved rabies vaccination to obtain a license (OCCO 4-1-70). Cat licensing is optional and available through OC Animal Care. Licensing your dog provides necessary information to support investigations of cruelty, neglect, abandonment and dog bites.

Do you have to register a cat in Ohio? ›

Ohio law does not require cats to be licensed like dogs. Of course, we encourage all owners to take every precaution to keep their pet safe. Cats can also be microchipped and owners can attach ID tags to their collars with their contact information.

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