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Spouse Details & Tax – Why the ATO and Centrelink Care

Why do you need to provide spouse details?

Because your partner’s info helps:

  • Determine if you’re eligible for family payments, tax offsets, and rebates

  • Set your Medicare Levy Surcharge (MLS) threshold

  • Calculate your Private Health Insurance Rebate

  • Work out your Family Tax Benefit (FTB) or child support assessment


Who counts as a “spouse”?

You’ve got a spouse if you’re:

  • Married (even if separated but not divorced)

  • De facto, including same-sex couples

But… if you’re separated and no longer living together, the ATO and Centrelink say you’re not spouses for tax purposes.


What details do you need to provide?

You’ll usually need to report:

  • Full name

  • Date of birth

  • Gender

  • Income details:

    • Taxable income

    • Reportable fringe benefits

    • Reportable employer super contributions

    • Total investment losses, etc.

  • Period you had a spouse (if it wasn’t the whole year)

  • Whether you received Family Tax Benefit or child support

  • Whether your spouse was an Australian tax resident


Where do you provide these details?

In your tax return:

  • The “Spouse details” section

  • Essential for calculating offsets, rebates, MLS threshold, and dependants

To Centrelink:

  • When applying for FTB, childcare subsidy, or other benefits


Why does it matter?

Tax offsets & rebates:

  • Your spouse’s income can affect:

    • Spouse tax offset

    • Seniors and pensioners tax offset

    • Private health insurance rebate

Medicare Levy Surcharge:

  • If you have a spouse, the family MLS threshold applies — it’s higher than the single threshold

Family Tax Benefit:

  • Both your incomes are counted to calculate your FTB


Derek’s FAQ – Real Questions, Real Fast

Q: We separated during the year. Do I include my spouse?
A: Yes, but only for the time you were together — include the dates.

Q: My partner and I live together but aren’t married. Do I include them?
A: Yep, that’s a de facto relationship.

Q: My spouse is overseas. Do I still include them?
A: Yes — if you’re still in a relationship, their location doesn’t change the rules.

Q: What if my spouse had no income?
A: Still include their details and show their income as zero.


Bottom line:

If you’ve got a spouse — de facto or married — their details matter. Tax, rebates, Centrelink, MLS… it all connects. So keep your details sharp, and let GoTax handle the grunt work.


Let GoTax Be the Go-Between

Our system knows what to ask and where to send it — no confusion, no skipped steps.

Start your return now: www.gotax.com.au/guest-user


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