Quick Reference
Tax File Number (TFN) - Essential for Everyone
Your Tax File Number is the foundation of working legally in Australia. Without it, you cannot work at normal tax rates, access government services, or open interest-bearing bank accounts.
What is a TFN?
- Unique 9-digit identifier: Format like 123-456-789
- Issued by Australian Taxation Office (ATO)
- Lifetime number: Never changes, even if you leave and return to Australia
- Required for: Employment, banking, government services, tax returns
- Privacy protected: Illegal for others to collect without authorization
Who Needs a TFN?
Eligible for TFN
- • Australian citizens
- • Permanent residents
- • Temporary residents with work rights
- • Working Holiday visa holders
- • Student visa holders (with work rights)
- • Partner visa applicants
Cannot Get TFN
- • Tourist visa holders
- • Transit visa holders
- • Student visas without work rights
- • Visitors without Australian income
- • Temporary visas with no work permission
Consequences of No TFN
What Happens Without TFN
- Employment: Employer withholds 47% tax (highest marginal rate + Medicare levy)
- Banking: Bank withholds 47% tax on all interest earned
- Investments: 47% withholding tax on dividends and distributions
- Government payments: Cannot access Centrelink, Medicare rebates
- Superannuation: Higher contribution tax rates
How to Apply for a TFN
Step-by-Step Application Process
Visit ATO Website
Go to ato.gov.au and search for "Apply for TFN". Use the official ATO online form only - avoid third-party websites.
Gather Required Documents
Passport with Australian visa, current Australian residential address, and immigration documentation.
Complete Online Form
Provide personal details, visa information, and Australian address. The form takes 10-15 minutes.
Submit Application
Submit form and receive confirmation email with application reference number.
Wait for TFN Letter
TFN mailed to your address within 10-28 days. Cannot be emailed for security reasons.
Required Documents Checklist
- ✓ Passport with photo and personal details page
- ✓ Australian visa grant letter or ImmiCard
- ✓ Proof of Australian residential address (lease, utility bill, bank statement)
- ✓ Date of entry to Australia (usually passport stamp or entry records)
- If married: Marriage certificate and spouse details
- If name changed: Official change of name documents
Australian Business Number (ABN)
An ABN is required if you operate a business, work as a sole trader, or provide services as an independent contractor. Its not needed for regular employment.
Do You Need an ABN?
| Work Type | Need ABN? | Examples | Notes |
|---|---|---|---|
| Employee | No | Office work, retail, hospitality | Employer provides tools, sets hours |
| Sole Trader | Yes | Freelance writing, tutoring, cleaning | You control how work is done |
| Contractor | Yes | Uber driver, consultant, tradesperson | Invoice clients, provide own equipment |
| Partnership | Yes | Business partners, joint ventures | Each partner may need separate ABN |
| Company | Yes | Pty Ltd company structure | Required for all companies |
| Trust | Yes | Family trusts, investment trusts | Trustee applies for ABN |
ABN Application Process
Visit ABR Website
Go to abr.gov.au and click "Apply for ABN". Always use the official government website.
Choose Business Structure
Select sole trader, partnership, company, or trust. Most individuals choose sole trader.
Business Details
Describe your business activities, choose ANZSIC codes, provide business address.
Receive ABN
Most applications approved instantly online. Check ABN Lookup to verify your active ABN.
Business Structure Comparison
| Structure | Liability | Tax Rate | Setup Cost | Best For |
|---|---|---|---|---|
| Sole Trader | Unlimited personal liability | Individual tax rates (0-45%) | Free | Small, low-risk businesses |
| Company | Limited liability | 30% flat rate | $500+ setup | High-turnover, growth businesses |
| Partnership | Unlimited joint liability | Individual partner rates | Free-$200 | Joint ventures, professional services |
| Trust | Depends on trustee type | Varies by distribution | $1000+ setup | Asset protection, family businesses |
GST Registration
Goods and Services Tax (GST) is a 10% tax on most goods and services sold in Australia.
GST Registration Requirements
Mandatory Registration
- • Annual turnover $75,000+ (general)
- • Annual turnover $150,000+ (non-profit)
- • Taxi or ride-share services
- • When specifically required by law
Voluntary Registration
- • Business turnover under $75,000
- • Want to claim GST credits
- • Business-to-business services
- • Planning to grow quickly
GST Obligations
- Charge GST: Add 10% to taxable sales and services
- Issue tax invoices: For sales over $82.50 (including GST)
- Lodge BAS: Business Activity Statement quarterly or monthly
- Pay net GST: GST collected minus GST paid on purchases
- Keep records: Tax invoices, receipts, and BAS records for 5 years
Australian Tax System Overview
Tax Year and Rates 2024-25
The Australian tax year runs from July 1 to June 30. Tax returns are due by October 31 (or later with registered tax agent).
| Taxable Income | Tax Rate | Tax on Income | Medicare Levy |
|---|---|---|---|
| $0 - $18,200 | 0% | Nil | Nil |
| $18,201 - $45,000 | 19% | 19c for each $1 over $18,200 | 2% |
| $45,001 - $120,000 | 32.5% | $5,092 + 32.5c for each $1 over $45,000 | 2% |
| $120,001 - $180,000 | 37% | $29,467 + 37c for each $1 over $120,000 | 2% |
| $180,001+ | 45% | $51,667 + 45c for each $1 over $180,000 | 2% |
Tax Returns and Deductions
Common Tax Deductions
Work-Related Expenses
- • Uniform, tools, and equipment
- • Professional development courses
- • Union and professional association fees
- • Work-related travel and car expenses
- • Home office expenses (if working from home)
Investment Expenses
- • Investment property maintenance
- • Interest on investment loans
- • Dividend investment costs
- • Superannuation contributions
- • Tax preparation fees
Home Office Deductions
If you work from home regularly, you can claim expenses using the fixed rate method or actual cost method.
| Method | Rate | What it Covers | Records Required |
|---|---|---|---|
| Fixed Rate | $0.67 per hour | Energy, internet, phone, stationery | Diary of hours worked |
| Actual Cost | Percentage of space used | All home office running costs | Detailed receipts and calculations |
For Chinese Australian Taxpayers
Foreign Income Reporting
Australian tax residents must report worldwide income, including income earned in China or other countries.
Must Declare in Australia
- Chinese employment income: Salary, bonuses, allowances
- Chinese rental income: Property rental, Airbnb income
- Chinese investment income: Dividends, interest, capital gains
- Chinese business income: WeChat sales, online business
- Chinese pension income: Government or employer pensions
Double Taxation Relief
Australia has a tax treaty with China to prevent double taxation. You may be able to claim foreign tax credits for Chinese tax paid.
Foreign Tax Credits
- • Claim Chinese tax paid as credit
- • Reduces Australian tax liability
- • Need official Chinese tax certificates
- • Credit limited to Australian tax on that income
Required Documentation
- • Chinese tax payment receipts
- • Employment certificates (工作证明)
- • Bank statements showing income
- • Professional translation if required
Common Mistakes and How to Avoid Them
Mistake: Not Providing TFN to Employer
Consequence: 47% withholding tax on all earnings
Solution: Provide TFN within 28 days of starting work. Can claim excess tax back via tax return.
Mistake: Not Declaring Foreign Income
Consequence: Penalties up to 75% of tax shortfall, plus interest
Solution: Report all worldwide income. Use foreign tax credits to avoid double taxation.
Mistake: Using ABN When You Should Be Employee
Consequence: "Sham contracting" penalties, superannuation issues
Solution: Check ATO employee vs contractor guidelines. When in doubt, ask for employment.
Mistake: Poor Record Keeping
Consequence: Deductions disallowed in audit, penalties for missing records
Solution: Keep all receipts, invoices, bank statements for 5 years. Use accounting software or apps.
Getting Professional Help
When to Use a Tax Agent
DIY Tax Return
- • Simple employee income only
- • Standard deductions under $300
- • No foreign income or complex investments
- • Comfortable with myTax online system
- • Cost: Free
Use Tax Agent
- • Business income or multiple income sources
- • Foreign income and tax credits
- • Investment properties or shares
- • Complex deductions or first year filing
- • Cost: $150-500+ per return
Choosing a Tax Agent
- Check registration: Use ATO Tax Practitioner Board lookup
- Relevant experience: Experience with your situation (new migrants, small business)
- Language skills: Chinese-speaking agents available in major cities
- Fixed fees: Get written quote before work begins
- Professional indemnity insurance: Protects you if they make mistakes
Important Deadlines
Key Tax Dates 2025
- • Self-lodgers: October 31, 2025
- • Tax agent clients: March 31, 2026
- • Quarterly: 28th of month after quarter
- • Monthly: 21st of following month
- • Due: 28th of month after quarter
- • Rate: 11.5% (2024-25)
- • Quarterly for business income
- • Based on previous year tax
Useful Resources
Official Government
- • ATO website: ato.gov.au
- • ABN Lookup: abr.gov.au
- • myGov: my.gov.au
- • ATO app: Download from app stores
- • ATO phone: 13 28 61
Helpful Tools
- • Tax calculator: Calculate income tax
- • myTax: Free online tax return
- • Record keeping app: ATO app for receipts
- • Business registration: business.gov.au
- • ASIC: Company registration at asic.gov.au
Key Takeaways
- ✓ Get TFN immediately - essential for working at normal tax rates
- ✓ ABN only needed for business - not for regular employment
- ✓ Report worldwide income - Australia taxes global income for residents
- ✓ Keep detailed records - receipts and documents for 5 years
- ✓ Use foreign tax credits - avoid double taxation on Chinese income
- ✓ Meet tax deadlines - late penalties can be significant
- ✓ Get professional help - especially for complex situations