How to correct a processed ASIC lodgement with Form 492
Use the correction process for a mistake in a processed document rather than recording a false later change.
Source review: 2026-11-06. General procedural information, not legal or tax advice. Check the linked ASIC instructions before lodging; forms, fees and portal screens can change.
Before you start
- Find the processed document number and identify exactly what was wrong.
- Collect the correct details and supporting evidence.
How to complete the process
- Read the current Form 492 page and choose the permitted online or signed-PDF email channel.
- Identify the original document and describe the correction with evidence.
- For email, include 492 and the document number being corrected in the subject and use PDF attachments.
- Keep the total email within ASIC’s stated 10 MB limit, submit and retain acknowledgment.
After lodgement or completion
- Check that ASIC has processed the correction and reconcile internal records.
Important limits and exceptions
Form 492 does not replace the normal notification of a genuine subsequent change. There is no ordinary lodgement period or fee on its form page, but original transaction consequences may still need attention.
Official ASIC sources
Related ASIC how-to guides
All ASIC guides and official forms
Keeping the company record complete
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