Can I get an extension on my tax return deadline?

In Plain English:

I'm sorry, but based on the documents you have provided, I cannot provide an answer to your question. The documents provided do not contain information about extensions on tax return deadlines.

Detailed explanation:

The documents provided relate to:

• Deductible Gift Recipients - Extended Application Date (Treasury Laws Amendment (2021 Measures No. 2) (Deductible Gift Recipients—Extended Application Date) Instrument 2021)
• Superannuation Contributions Tax (Superannuation Contributions Tax (Assessment and Collection) Act 1997, Superannuation Contributions Tax (Members of Constitutionally Protected Superannuation Funds) Assessment and Collection Act 1997, Superannuation Contributions and Termination Payments Taxes Legislation Amendment Act 1999)
• Taxation Administration (Taxation Administration Act 1953, Treasury Laws Amendment (2018 Measures No. 4) Act 2019)
• Customs and Anti-Dumping Measures (Customs (Extensions of Time and Non-cooperation) Direction 2015)
• Child Care Subsidy (Child Care Subsidy (Extension of First Deadline) Instrument 2020)
• Student Start-up Loans (Labor 2013-14 Budget Savings (Measures No. 2) Act 2015)
• Family Tax Benefits (A New Tax System (Family Assistance) Act 1999)

None of these relate to extensions on tax return deadlines.