A dog licence is required in some jurisdictions to be the keeper of a dog. Usually a dog-licence identifying number is issued to the owner, along with a dog tag bearing the identifier and a contact number for the registering organization. If a stray pet is found with the tag, a rescuer can call the registering organization to get current contact information for the animal.
Licensing a dog might require additional actions on the owner's part, such as ensuring that the dog has a current rabies vaccination or passing a dog obedience test. In many jurisdictions a fee, which is usually small, must be paid. Licences typically must be renewed annually or after some small number of years.
Licensing information worldwide
Most municipalities raise a tax for dogs which is paid on a yearly basis. In some municipalities subsequent dogs are taxed higher to discourage owning too many.
Dog licences are mandated by state and territory legislation but are issued by local governments (e.g., city or shire councils). Hence the cost of a licence and the format of the licence tag vary across the country. Some areas, such as Victoria, require cat registration and microchipping also.
Dog licences are required. There are three types of licence:
- Individual dog licence – covers one dog for a period of 12 months
- General dog licence – for owners of kennels for a period of 12 months
- Lifetime of the dog licence – for the lifetime of the dog for which the licence is issued
Since 2008 an identification microchip is mandatory for each dog over 2 months, and a small fee is associated with it, but it does not need to be renewed.
Dogs must be registered and a yearly tax is paid to the municipality based on the number of dogs. The amount differs between municipalities; for example in The Hague it is €125.76 for the first dog, €322.80 for the second one, and €572.64 for the third one (in 2021). Any additional dog costs 249.84 (in 2021).  Other municipalities, such as Amsterdam, have abolished this tax.
Under the Dog Control Act 1996 all dogs over three months old are required to be registered with the city or district council the dog usually resides in. As a prerequisite, all dogs classified as dangerous or menacing, and all dogs first registered in New Zealand after 1 July 2006 must be microchipped before they can be registered.
All dog registrations expire yearly on 30 June, and must be renewed by 31 July. Each registered dog must wear a tag specifying the council, registration expiry date, and registration number of the dog, with the colour of the tag changing every year for easy identification (e.g. tags for the 2013/14 year are red). Fees for registration differ between councils, and also differ according to factors such as whether the dog is neutered, living in an urban or rural area, classed as dangerous or menacing, and whether the owner is a responsible dog owner. Fees for working dogs (herding dogs, police dogs, drug dogs, etc.) are generally lower than for pets, and seeing-eye or hearing-ear dogs are generally free or minimal cost to register.
In England, Wales and Scotland, dog licensing was abolished by the Local Government Act 1988. Prior to this dog licences were mandatory under the Dog Licences Act 1959, having been originally introduced by the Dog Licences Act 1867 but the requirement was widely ignored, with only about half of owners having one. The final rate for a dog licence was 37 pence, reduced from 37½p when the halfpenny was withdrawn in 1984. This figure was an exact conversion from the rate of seven shillings and sixpence set in the Customs and Inland Revenue Act 1878. The revenue went to local authorities.
Dog licensing was in effect a tax on dogs: the scheme did not ensure the welfare of dogs nor did it restrict who was allowed to keep dogs.
In Northern Ireland, dog licences are required under the Dogs (Northern Ireland) Order 1983. As of October 2011[update] dog licences cost £12.50 a year, with reductions for pensioners and owners of neutered dogs.
Bailiwick of Guernsey
Isle of Man
At least some states, municipalities, and other jurisdictions require a dog licence and rabies vaccination, and a licence expires before the vaccine does. To prevent animal overpopulation, some jurisdictions charge a lower licensing fee if the owner presents veterinary proof that the dog has been spayed or neutered. Some parts of California and Maryland require cat licences.
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