Australian Maritime Safety Authority

Protection of the sea levy

Vessels liable for the Protection of the sea levy


The Protection of the sea levy is a charge against ships based on the 'potential polluter pays' principle. This applies to vessels of 24 metres or more in length and with 10 tonne or more of oil on board.

How much is the levy?

The levy is calculated at 11.25 cents per net ton per quarter, with a minimum of $10 per quarter. Any vessel of 24 metres or more in length and with 10 tonne or more of oil on board at any time during a calendar quarter must pay the Protection of the Sea Levy for that quarter. The levy is reviewed annually.

If your vessel is liable for the Marine Navigation Levy and the Marine Navigation (Regulatory Functions) Levy, it will also be liable for the Protection of the Sea Levy.

The levy is used to fund the National Plan for Maritime Environmental Emergencies including clean-up costs which cannot be attributed to a known polluter. Details of expenditure can be found in the National Plan Annual Reports.

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