Official form guide
Form 3B: Form 3B Change of Charity Details
ACNC Form 3B is used by charities registered with the Australian Charities and Not-for-profits Commission to notify changes to address for service, authorised person, legal name, governing document, ABN, or legal structure. Small charities must submit within 60 days of the change; all others within 28 days. The form also allows applying to withhold information from the ACNC Charity Register.
Need help with Form 3B?
Open it in the AI Editor for field guidance, checks, and PDF export.
Form Overview
Australian Charities and Not-for-profits Commission Form 3B - Form 3B Change of Charity Details
ACNC Form 3B is used by charities registered with the Australian Charities and Not-for-profits Commission to notify changes to address for service, authorised person, legal name, governing document, ABN, or legal structure. Small charities must submit within 60 days of the change; all others within 28 days. The form also allows applying to withhold information from the ACNC Charity Register.
Risk Radar
Scan points- 1Penalties may be imposed for giving false or misleading information on this form.
- 2Failing to sign the declaration in Section J before submitting
- 3Not attaching a copy of the new governing document in Section F
- 4Providing a copy of the governing document that still contains personal information for the public register
- 5Selecting 'Other' in Section F without providing a short explanation
Plain English
This form tells the ACNC when your charity changes its address, who is authorised to act for it, its legal name, governing rules, ABN, or legal structure. You have to send it within a set time after the change. You can also use it to ask that some details be kept off the public charity register.
Submission Date
- Filing date: A small charity must submit this form within 60 days of the change taking place; all other charities must submit 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.
AI co-pilot
Fill it faster. Catch mistakes before you file.
What this form is for
- Use this form to notify the ACNC of changes to your charity's address for service, authorised person, legal name, governing document, ABN, or legal structure, or to apply to withhold information from the ACNC Charity Register.
- Do not use it for changes to responsible people (directors, trustees) or charitable purposes; those must be done via the Charity Portal (charity.acnc.gov.au). Do not use it if your charity's legal structure has changed; you may need a new registration application.
- Check the ACNC website for the new registration application (no specific form number provided in source) instead when your charity's legal structure has changed.
Form selector
Use this form or another form?
Change to responsible people (directors, trustees)
Form 3B cannot report changes to responsible people; must be done online.
✓ Log in at charity.acnc.gov.au.
Change to charitable purposes
Form 3B cannot report changes to charitable purposes; must be done online.
✓ Log in at charity.acnc.gov.au.
Change of legal structure
A change of legal structure may require a new registration; Form 3B is insufficient.
✓ Visit acnc.gov.au/structurechange.
Deadline or filing window
The filing window starts when the change to the charity’s details takes place. For a small charity, the deadline is 60 days after the change. For all other charities, the deadline is 28 days after the change. The source does not mention any extension process.
Checklist
What you need before filling it out
Section A: Charity name
Formal name as it appears on legal or official documents · Charity's constitution or registration
Section C: Address For Service
Email, postal, or physical address (postal/physical must be in Australia) · Charity's records
Section F: Change of governing document
Copy of new governing document and explanation of changes · Charity's records
Section G: Change of ABN
New ABN and reason for change · ATO notification
Section J: Declaration
Signature, name, position, phone, optional email · Person signing
Before you submit
- 1Complete all required sections (A, C, F, G, etc.) as applicable.
- 2If changing governing document, attach a copy of the new governing document (and a redacted copy if personal info).
- 3If changing ABN, ensure new ABN is correct.
- 4Have the declaration signed by an authorised person (see Section J).
- 5Make a copy of the completed form and attachments for your records.
- 6Email the form to [email protected] or mail to GPO Box 5108, Melbourne VIC 3001.
- 7If emailing, ensure attachments are included.
How to file this form
- 1Download and open the Form 3B PDF using Adobe Acrobat Reader.
- 2Fill in Section A with your charity's current legal name (or old name if changing).
- 3Complete the relevant sections for the change (C, F, G, etc.).
- 4Attach any required documents (e.g., new governing document).
- 5Have an authorised person sign and date the declaration in Section J.
- 6Make a copy of the completed form and attachments for your records.
- 7Submit the form by email to [email protected] or by mail to the provided address.
- 8Retain proof of submission (email sent receipt or postal tracking).
Known limitations
- 1Cannot be used to notify changes to responsible people (must use Charity Portal).
- 2Cannot be used to notify changes to charitable purposes (must use Charity Portal).
- 3Cannot be used if your charity's legal structure has changed (may need new registration application).
- 4Cannot be used if the change affects your charity's entitlement to registration (must ensure continued entitlement).
- 5Form 3B is not for initial registration.
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->The current edition is dated 2021 (form number #3B-10 -2021). The source does not reference a 'latest information' page; check the ACNC website for updates.
What changed or needs a fresh check
- Edition date — confirm the form revision is 2021 (form number #3B-10 -2021).
- Fee — no fee mentioned in the source; confirm on ACNC website.
- Mailing address — send to Australian Charities and Not-for-profits Commission, GPO Box 5108, MELBOURNE VIC 3001.
- Signature — must be signed by an authorised person as per Section J.
- Attachments — if changing governing document, attach a copy of the new governing document (and a redacted copy if it contains personal information).
- Submission method — email to [email protected] or mail to above address.
Quick Facts
Downloads & source
Sources
- SRC[Form p.1] — filing deadline: small charity within 60 days, otherwise within 28 days.
- SRC[Form p.1] — purpose: changes to address for service, authorised person, legal name, governing document, ABN, legal structure.
- SRC[Form p.1] — legal structure change may need new registration application.
- SRC[Form p.1] — responsible people and purposes changes must be done via Charity Portal.
- SRC[Form p.2] — Address For Service must be in Australia if postal/physical.
- SRC[Form p.4] — Section F: attach new governing document; provide redacted copy if personal info.
- SRC[Form p.6] — declaration: penalties for false info.
- SRC[Form p.6] — submission: email to [email protected] or mail to GPO Box 5108 Melbourne VIC 3001.
- SRC[Form p.6] — make a copy before submitting.
Common confusion points
Can I use this form for a change of responsible people?
The form lists 'authorised person' but not 'responsible people'; source says use Charity Portal.
→ Check the purpose section: it says 'authorised person' not 'responsible people'; use Charity Portal for responsible people.
Can I use this form for a change of charitable purposes?
Source says to log in to Charity Portal for purposes changes.
→ Check the form instructions: it explicitly says to use Charity Portal for purposes.
Do I need to attach a copy of the old governing document?
Only new governing document is required.
→ Read Section F: it says 'provide a copy of the new governing document'.
Can I submit by fax?
Source only mentions email or mail.
→ Check submission instructions: only email or mail are listed.
Is there a fee for this form?
No fee mentioned.
→ Check the form and instructions; no fee is stated.
What if I don't have an email address for Address For Service?
You can provide a postal or physical address in Australia.
→ Section C says you must provide an email, postal or physical address; postal/physical must be in Australia.
Can I change the charity's name on this form?
Yes, it's listed as one of the changes.
→ Purpose section includes 'legal name'.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Contact ACNC at 13 22 62 or [email protected].
Source transparency
Copyright & Licensing — Australian Government Forms
BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.
Understand the agreement before you sign it.
Review risky clauses in plain English, fix the document, and keep it moving toward signature.