ATO late lodgement penalty: up to $364 per 28 days, capped at $1,820 per document · interest 11.43% p.a. compounding daily · See how to remit them →
Unlodged tax returns block Centrelink from balancing your family payments - meaning Family Tax Benefit top-ups and supplements go unpaid, Child Care Subsidy can drop to zero, and past payments can convert into debts you must repay. For families, lodging overdue returns isn't just about the ATO; it directly unlocks money you're owed and stops debts being raised.
The balancing deadline most families miss
Family Tax Benefit and Child Care Subsidy are paid through the year on income estimates, then balanced against your actual tax return. You generally have until 30 June of the following financial year to lodge (or confirm non-lodgement). Miss that window and the consequences are concrete: FTB received during the year can be raised as a debt, top-ups and the FTB supplements are forfeited, and CCS can be cut off until returns are in.
Both partners must lodge
Balancing needs the family's combined actual income, so one partner's overdue return freezes the whole household's entitlements. Couples are frequently startled to find years of unpaid supplements released within weeks of a catch-up lodgement - it's among the most immediately rewarding categories of overdue return we handle.
The catch-up upside
Families behind on lodgements are often owed on both sides: tax refunds from PAYG withholding plus unbalanced family payments. Because the ATO generally doesn't penalise late returns that produce refunds, many family catch-ups complete with zero penalties and a meaningful cash result.
Frequently asked questions
Will Centrelink really make me repay FTB?
My income was under the tax-free threshold - do I still need to act?
How fast do entitlements flow after lodging?
General information only - not personal tax, financial or legal advice. Consider your own circumstances or speak to a registered tax agent. Remission of penalties or interest and payment plans are decisions of the ATO and outcomes can't be guaranteed.

