What has been revoked
The federal government has issued a notice revoking the National Class 3 Euro VI Vehicle (wide-spaced twinsteer) Mass Exemption Notice 2025 (No.1). That original exemption notice (reference C2025G00553) was registered on 30 September 2025 and allowed certain heavy vehicles - specifically National Class 3 Euro VI vehicles with wide-spaced twinsteer axles - to operate under specific exempt mass limits.
Key dates
- 14 August 2026 - the revocation notice takes effect.
- 28 days after 14 August 2026 - the cancellation of the original exemption notice (C2025G00553) comes into full force.
Administering department
This revocation is administered by the Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts.
Key actions
The following actions are stated in the revocation notice:
- Operators of National Class 3 Euro VI wide-spaced twinsteer heavy vehicles are required to check whether their current mass authorisation relied on exemption notice C2025G00553, as that exemption is being cancelled 28 days after 14 August 2026.
- The full revocation notice is available at https://www.legislation.gov.au/C2026G00539 and confirms how the cancellation applies to specific vehicle configurations and routes.
- The Department of Infrastructure, Transport, Regional Development, Communications, Sport and the Arts is available to be contacted to confirm what mass limits apply to affected vehicles after the exemption is cancelled.
This is a plain-English summary for information only, not legal or compliance advice. Always check the official source or consult a qualified professional.