Selling puppies brings in money, and tax authorities want to know about it: whether your breeding counts as a hobby or a business decides how that income is taxed and whether any costs can be set against it, and in every country the answer rests on the same thing — a clear, honest record of what came in and what went out.
The most important first
- Puppy sales are not automatically tax-free. Whether you must report them depends on your country and on whether your breeding is a hobby or a business.
- No single test decides it. Tax authorities look at the whole picture: profit intention, how businesslike you are, scale and how often you breed.
- Keep records for every litter from the start, even if you think you are a hobby breeder. Records are what prove your position either way.
- Rules change and depend on your circumstances. Use this article to prepare questions, then check with a tax professional or your tax authority.
Last updated: November 8, 2026
Rules last checked: November 8, 2026
We checked this page against the official sources listed below on the date above. Tax rules change, often once a year, and no single page can cover every situation, so something that matters to you may have been amended since or may not be covered here. Before you rely on it, check your own tax authority’s current guidance and talk to a tax professional.
Last updated: November 8, 2026
Hobby or business: why it matters
Most breeders who sell an occasional litter would call it a hobby, and many spend more on health tests, stud fees, veterinary care and shows than the puppies bring in. Tax authorities do not decide the question by what you call it. They look at what you actually do.
The distinction matters because a business can usually deduct its costs and, in some systems, set a loss against other income, while a hobby generally cannot. In some countries hobby income must still be reported; in others it need not be. That is why the same litter can be treated very differently depending on where you live.
United States
The IRS describes a hobby as an activity pursued for enjoyment with no intention of making a profit, and a business as one operated to make a profit. In its guidance on telling them apart, the IRS lists factors such as whether the activity is carried on in a businesslike manner with complete and accurate books and records, the time and effort you put in, whether you depend on the income, whether losses are normal for a startup or beyond your control, whether you have changed methods to improve profitability, and whether the activity makes a profit in some years. The IRS stresses that all facts and circumstances must be considered and no one factor is more important than another.
Even if your breeding is a hobby, the IRS says the income must be reported on Schedule 1 of Form 1040. Under the federal rules that have applied since 2018, hobby expenses cannot be deducted against that income, so a hobby breeder can owe tax on puppy sales without being able to subtract what the litter cost. Ask a tax professional how this applies to the year you are filing, and about any state rules.
United Kingdom
HMRC gives individuals a £1,000 trading allowance each tax year. According to GOV.UK, if your gross trading income is more than £1,000 you must register for Self Assessment, and you can then choose between using the allowance or deducting your actual expenses. “Gross” means before costs: selling one puppy can take you over the limit even if the litter lost money. Whether breeding counts as trading also depends on the facts. Separately, breeding licensing in England and the other UK nations has its own tests; see litter limits and age rules for those rules.
Canada
The Canada Revenue Agency defines a business as an activity you intend to carry on for profit where there is evidence to support that intention. Income from a business is reported as business income, and the CRA warns that unreported income can lead to penalties. If you are unsure which side of the line your breeding falls on, records that show how you plan and run it are the evidence the CRA refers to.
Australia
The Australian Taxation Office lists questions to help you decide whether you are in business: whether you intend to make a profit and have a prospect of doing so, whether the activity is of a size and scale to make a profit, whether it is repeated and continuous, and whether it is planned and run in a businesslike way, for example with records, a separate bank account, advertising, a business plan or an ABN. A hobby is described as recreation from which you do not seek to profit. The Australian Government’s business.gov.au notes that hobby income does not need to be declared, that a business must declare its income and keep records, and that you can ask the ATO for a private ruling if you are unsure.
Other main markets and the EU
The same question, hobby or business, decides the answer in most countries, but the details differ. These are the points we could confirm in each tax authority’s own guidance on the date in the box above. Where we could not open an official source, we say so.
Ireland. Revenue’s Tax and Duty Manual explains that whether a trade is being carried on depends on the facts of each case, judged against case law and the “Badges of Trade”, such as how often similar sales are made, active efforts to find buyers and the motive behind the sales. No single badge decides it; the whole picture is weighed.
New Zealand. Inland Revenue describes a hobby as something done in your spare time for enjoyment. Hobby income does not need to be included in your tax return, and hobby expenses and losses cannot be claimed. Signs of a business include an intention to make a profit, regular sales to customers, keeping financial records and running the activity like others in the same trade.
South Africa. SARS’s guide to section 20A of the Income Tax Act lists animal showing, and farming or animal breeding unless carried on full time, among the activities whose losses may be “ring-fenced”. A ring-fenced loss can only be set against future income from the same activity, unless you can show it is a business with a reasonable prospect of making taxable income within a reasonable period. The rule only applies once your income reaches a set tax bracket, so check the current threshold with SARS.
Singapore. IRAS states that income from online activities carried out for a profit is taxable. We could not open IRAS’s detailed guidance on how it separates a hobby from a business; check it at iras.gov.sg.
Sweden. Skatteverket lists animal breeding as an example of a hobby and says that selling puppies is a normal part of hobby dog breeding. A surplus is reported on form T2 and taxed as employment income, and self-employment contributions apply. A loss cannot be set against other income, but it can be carried forward against surplus from the same hobby for the next five years. Keep all records for seven years. A business requires a genuine profit motive.
France. Under the official service-public.fr guidance (the copy we could read was last updated in 2017), anyone who sells a litter from their own female is treated as a breeder and must register for a SIREN number from the first animal sold. People who sell only one litter a year per tax household, of pedigree puppies with a litter number, are exempt from registration. Sale ads must show the SIREN or litter number. This is a registration rule rather than a tax rule, and it may have changed, so check the current rules.
The EU. There is no single EU rule on how hobby breeding is taxed; each country decides. But under the DAC7 directive (Council Directive (EU) 2021/514), online platforms report sellers’ details and income to tax authorities. Ireland’s Revenue lists sellers of goods with fewer than 30 transactions and less than €2,000 in a reporting period among those platforms do not need to report. Being reported does not by itself make income taxable, and not being reported does not make it tax-free.
Not yet confirmed. For Hong Kong, India, Japan, China, Mexico, Brazil, Italy, Poland, Germany, Spain, Czechia, Hungary, the Netherlands and Serbia, we have not yet been able to open and check official guidance on hobby breeding. Not confirmed, but worth noting: as in the countries above, the usual starting point is whether you breed with a profit intention and in a businesslike way. Check with your national tax authority, and keep the records described below either way.
What to keep, litter by litter
Whatever your status, the IRS advice applies everywhere: use any system that clearly shows income and expenses, and keep records as long as you need them to prove what is on a tax return. For a breeder, that means:
- Income: every deposit and final payment, with the buyer, date, amount and puppy. Note refunds and buy-backs too; see pricing, deposits and payment.
- Costs per litter: stud fee or semen, progesterone tests, ultrasound and X-ray, whelping supplies, extra food, veterinary checks, vaccines, microchips and registration.
- Ongoing costs: health testing of breeding dogs, food, insurance, equipment, kennel club fees, advertising and travel to shows or matings.
- Receipts and invoices, kept with the record they support, and a separate bank account if you can.
A simple spreadsheet updated after each litter is enough for most small breeders. It also tells you what a litter really costs, which kennel economics and budgeting covers in more detail.
In practice
A breeder who sells two litters in a year adds up the puppy payments at tax time and realizes she has no record of the stud fee, the progesterone tests or the emergency vet visit. Her accountant asks for evidence of costs and how she runs the breeding. The following year she opens a separate account, logs every payment within a week, and files invoices by litter, and the conversation with her accountant takes half an hour.
(Illustrative, composite scenario.)
When to get advice
Talk to a tax professional before your first litter is sold, when your breeding grows (more litters, more dogs, stud services or selling abroad), or if a tax authority writes to you. Bring your records and ask: is this a hobby or a business where I live, what must I report, which costs count, and what changes if I breed more?
Work on it
A few minutes here will teach you more than re-reading the article.
Ask yourself
- Would my breeding look like a hobby or a business to someone reading my records?
- Could I prove what my last litter cost?
- Do I know what my country requires me to report?
Find out & check
- Read your tax authority’s own page on hobby or business, and note the date you checked it.
Do one thing
- Open a spreadsheet with one tab for income and one for costs, and enter your current or most recent litter.
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Sources & further reading
- Internal Revenue Service — Here’s how to tell the difference between a hobby and a business for tax purposes (Tax Tip 2022-57). irs.gov
- Internal Revenue Service — Recordkeeping. irs.gov
- HM Revenue & Customs, GOV.UK — Tax-free allowances on property and trading income. gov.uk
- Canada Revenue Agency — What is a business? canada.ca
- Australian Taxation Office — Are you in business? ato.gov.au
- Australian Government, business.gov.au — A business or a hobby. business.gov.au
- Revenue (Ireland) — Tax and Duty Manual Part 02-02-06: What constitutes a trade? revenue.ie
- Inland Revenue (New Zealand) — Is your hobby a business? ird.govt.nz
- South African Revenue Service — Guide on the ring-fencing of assessed losses arising from certain trades conducted by individuals. sars.gov.za
- Inland Revenue Authority of Singapore — Essential tax information for online sellers and service providers. iras.gov.sg
- Skatteverket (Sweden) — Hobbyverksamhet. skatteverket.se
- Service-public.fr (France) — Élevage et vente de chiens et de chats (F33452). service-public.fr
- Revenue (Ireland) — DAC7: Excluded sellers. revenue.ie
Where evidence is limited, recommendations rest on established practice and expert judgment, and may be updated as knowledge develops. Tax rules change and depend on your circumstances. This is general information, not tax or legal advice; check with a tax professional or your tax authority.
Next steps
- Read next: Kennel economics and budgeting.
- Related: Pricing, deposits and payment · Kennel record keeping.
- Return to the guide: Kennel operations: the complete guide.