Official form guide
Form 3B: Form 3B Change of Charity Details
Form 3B is the ACNC’s Change of Charity Details form. Use it when a registered charity needs to update its public or operational information with the Commission.
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Form Overview
Australian Charities and Not-for-profits Commission Form 3B - Form 3B Change of Charity Details
Form 3B is the ACNC’s Change of Charity Details form. Use it when a registered charity needs to update its public or operational information with the Commission.
Risk Radar
Scan points- 1The most common mistake is forgetting to update the charity’s registered address.
- 2Submitting outdated contact details
- 3Leaving mandatory fields blank
- 4Failing to attach required supporting documents
- 5Typographical errors in ABN or trustee names
Plain English
If your charity’s name, address, trustee details or other key facts have changed, you’ll fill out this short form. It tells the ACNC what’s different so the public register stays accurate.
Submission Date
- Filing date: Submit as soon as the change occurs; there is no fixed deadline but the ACNC expects updates within 28 days of the change.
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Change of charity name or trading name
- Change of registered or operational address
- Change of trustee or responsible officer details
- Update of contact phone or email
- Amendment of charitable purpose description
Form selector
Use this form or another form?
Changing charitable purpose
Requires board resolution and may affect tax status
✓ Verify purpose change before filing
Merging or dissolving a charity
More complex legal steps
✓ Seek professional advice
Updating financial year end
Impacts reporting schedule
✓ Confirm with ACNC before submitting
Deadline or filing window
There is no statutory deadline, but the ACNC expects changes to be reported within 28 days of the event.
Before you submit
- 1ABN entered correctly
- 2All new details match official documents
- 3Supporting documents attached
- 4Declaration box ticked
- 5Email address for confirmation is current
- 6Saved a copy of the completed form
- 7Checked for spelling errors
- 8Verified you are using the latest form version
How to file this form
- 1Log into the ACNC Charity Portal
- 2Select ‘Update charity details’ and choose Form 3B
- 3Enter existing charity information
- 4Enter the new details exactly as they appear on legal documents
- 5Upload any required supporting files
- 6Agree to the declaration and submit
- 7Record the confirmation reference number
Known limitations
- 1Form only accepts changes to existing registered details; new charities must use the registration form
- 2Online portal may not accept PDF uploads larger than 5 MB
- 3No offline paper‑only submission for urgent changes
- 4Only one change per submission; multiple changes require separate forms
Field map
Compact field-by-field guide
Charity
2 items
The registered charity name and its ABN.
Details of the responsible people (board or committee members).
Report
2 items
The registration detail, change, or reporting information this form covers.
The reporting period for the Annual Information Statement, if applicable.
Declaration
1 items
Declare the information is accurate and submit through the Charity Portal.
Almost done reviewing the fields?
Fillable formOpen in Editor->Form 3B is the current version as of 2024. No major revisions have been announced for 2025.
What changed or needs a fresh check
- Confirm you are using the 2024‑2025 PDF or portal version
- Check if new fields for ‘Responsible Person’ have been added
- Verify that the declaration wording matches the latest template
- Ensure the online submission workflow reflects the current steps
Quick Facts
Downloads & source
Sources
- SRCForm name and number from ACNC websiteconfirmed
- SRCChange reporting timeframe (28 days)not confirmed in official source
- SRCOnline portal submission processnot confirmed in official source
- SRCRequirement for supporting documentsnot confirmed in official source
- SRCCurrent version year (2024‑2025)not confirmed in official source
Common confusion points
Mixing up Form 3B (detail change) with Form 3C (purpose change)
Leaving the ‘effective date of change’ blank
Using an outdated ABN format
Submitting the form without the required board resolution attachment
Assuming the portal auto‑fills all fields
Not confirming that the email receipt was received
Source transparency
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