WHV Guide
The complete guide for Working Holiday Visa holders
Last verified: April 2026 · Source: Australian Taxation Office
The 30-second version
Your TFN is a unique 9-digit number that identifies you in Australia's tax system. You need it to work legally. Apply on the day you arrive. It takes up to 28 days to arrive by post, and until you have it your employer must withhold tax at 45% instead of 15%. The application is free, takes about 20 minutes online, and you don't need to send any documents.
Why this is urgent
Without TFN
45%
tax withheld on every dollar
$1,000 earned → $450 tax → $550 take home
With TFN
15%
tax withheld on first $45,000
$1,000 earned → $150 tax → $850 take home
That's $300 per week difference. You can claim the overtaxed amount back at the end of the financial year — but why wait months for your own money?
Gather these before you sit down — it makes the 20-minute process much smoother:
Important: Make sure your device is set to an Australian time zone before starting. The system is known to throw errors if your phone or laptop is still on your home country's timezone.
You can apply online using the ATO's Individual Auto Registration system if you meet all three conditions:
You cannot apply before you arrive in Australia. The system checks your visa status with the Department of Home Affairs in real time.
Navigate to ato.gov.au/iar — this is the only legitimate free way to apply online. Warning: third-party websites charge $30–$80 to fill in the same free form on your behalf. Don't pay for this.
The first screen asks you to confirm you're a foreign passport holder, you're in Australia, and you have a valid visa with work rights. Tick the boxes and proceed.
Enter your full name exactly as it appears on your passport (middle names matter), date of birth, gender, passport number, and country of passport. The system verifies your identity with the Department of Home Affairs — if details don't match your visa, the application will fail.
Add your Australian postal address (this is where your TFN letter gets mailed — use format "Your Name, C/- Hostel Name, Street" if using a hostel), your home country address, Australian mobile number, and email address.
Have you had a TFN or ABN before? Have you lodged a tax return in Australia? Do you own Australian property? For most first-time WHMs, the answer to all of these is No.
Check everything is correct. The system shows a summary — confirm and submit.
After submitting, you'll receive an ATO receipt ID. Screenshot this or write it down. This is your proof of application and you'll need it to follow up if your TFN doesn't arrive within 28 days.
The ATO will process your application and post your TFN to the Australian address you provided. This takes up to 28 days.
Your TFN notification letter will contain your 9-digit Tax File Number, your name and date of birth, and your residency status. Do NOT lodge another application if you haven't received it yet — duplicate applications cause delays.
Call the ATO on 13 28 61 (Monday–Friday, 8am–6pm AEST). Have your ATO receipt ID ready. They can look up your application status and often provide your TFN over the phone. If you need language support, call the translation service on 13 14 50 first.
Yes — you can legally start working before receiving your TFN. However, your employer must withhold tax at 45% until you provide it. You have 28 days from starting work to give your employer your TFN via a Tax File Number Declaration form. Any tax overpaid during this period will be refunded when you lodge your tax return.
Pro tip: Apply for your TFN immediately on arrival, even before you start job hunting. By the time you find a job and complete your first week, your TFN may have already arrived.
WHMs are taxed differently from Australian residents and other foreign workers:
| Income | Tax Rate |
|---|---|
| $0 – $45,000 | 15% |
| $45,001 – $135,000 | $6,750 + 30% of amount over $45,000 |
| $135,001 – $190,000 | $33,750 + 37% of amount over $135,000 |
| $190,001+ | $54,100 + 45% of amount over $190,000 |
No tax-free threshold. Unlike Australian residents, you are taxed from the first dollar — there is no $18,200 tax-free amount for WHMs. The vast majority of WHMs earn under $45,000 in a financial year, so 15% is effectively your flat tax rate.
"The system says it can't verify my identity"
Check your passport number is entered correctly, your name matches your passport exactly (including middle names), and your device timezone is set to Australia. The system cross-checks with Home Affairs in real time.
"I changed hostels and my TFN letter went to the old address"
Call the ATO on 13 28 61. They can confirm whether your TFN has been issued, provide it over the phone with identity verification, and update your address to resend the letter.
"I already had a TFN from a previous trip"
Your TFN is yours for life. If you've worked in Australia before, you already have one. Check old payslips, bank statements, or your myGov account. You can also call the ATO to retrieve it.
"My employer says they can't accept my receipt as proof"
Your ATO receipt ID isn't a legal substitute for a TFN. But reasonable employers understand the 28-day wait. They should let you start work with 45% withholding and adjust to 15% once you provide your actual TFN.
Your TFN is sensitive personal information. Treat it like your national insurance number (UK), social security number (US/Canada), or any other national tax identifier.
Do give it to
Your employer, your bank, your super fund, the ATO
Do NOT give it to
Random people, dodgy employers before hiring, anyone via text or social media, any website that isn't the ATO
If you suspect your TFN has been compromised, contact the ATO immediately on 1800 467 033 (identity security helpline).
| What is it | Your unique 9-digit tax identification number |
| Cost | Free |
| Where to apply | ato.gov.au/iar |
| Time to apply | ~20 minutes |
| Processing time | Up to 28 days (posted to your Australian address) |
| When to apply | Day you arrive in Australia |
| Requirements | Passport, valid WHM visa, Australian address, Australian mobile, email |
| Tax without TFN | 45% withholding |
| Tax with TFN | 15% on first $45,000 |
| ATO phone | 13 28 61 (Mon–Fri, 8am–6pm AEST) |
| Translation service | 13 14 50 |
| TFN valid for | Life (same number if you return to Australia) |
Get your full personalised arrival plan
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Build your free plan →This guide is for general information only and should not be taken as tax or legal advice. Always verify information with official ATO sources. Tax laws and rates can change — check ato.gov.au for the most current information. Sources: Australian Taxation Office, Department of Home Affairs, Fair Work Ombudsman. Last verified April 2026.