Staying on top of important tax and compliance deadlines is crucial for every business. Here’s a guide to help you plan ahead and avoid last-minute stress (or penalties).
July 2025
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14 July — STP Finalisation Due
Employers must make a finalisation declaration through Single Touch Payroll so employees can lodge their tax returns. -
21 July — June Monthly BAS/IAS Due (if applicable)
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28 July — Superannuation Guarantee (SG) Contributions Due for April–June Quarter
SG payments must be received by employee funds by this date to avoid penalties and loss of tax deductibility.
August 2025
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14 August — PAYG Withholding Annual Report Due (only for employers not using STP — rare)
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21 August — July Monthly BAS/IAS Due
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28 August — Taxable Payments Annual Report (TPAR) Due
Businesses in certain industries (e.g., building & construction, cleaning, courier, IT, security, and road freight services) must lodge their TPAR by this date.
September 2025
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21 September — August Monthly BAS/IAS Due
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30 September — TFN Withholding Report for Closely Held Trusts
October 2025
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21 October — September Monthly BAS/IAS Due
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28 October — Quarterly BAS Due (July–September quarter)
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28 October — SG Contributions Due for July–September Quarter
Future Key Dates to Watch
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31 October 2025 — Deadline for individuals lodging their own tax return without a tax agent
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21 November — October Monthly BAS/IAS Due
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28 November — Due date for lodgment and payment of quarter 1 (July–September) Super Guarantee Charge statement (if SG not paid on time)
Need help?
We’re here to help you stay compliant and avoid surprises. If you’re unsure about your obligations or want to plan ahead, get in touch with us today.
