This form 537 replaces form 568.
Important: Submit your form by 31 October
We’re moving to a new system. If you've started or saved a form, it won’t be available after 31 October 2025.
This form is no longer in use
To notify us of an engine change, use the correct application form for your vessel:
On 1 June 2025, we introduced new requirements for safety management systems (SMS).
You can use this form to complete a Notice of alteration or damage to an Australian vessel under the guidelines set out in Marine Order 91 – Marine pollution prevention – oil.