To quote from the TRS Scheme "Common Questions" on the ABF site.
"TRS facility opening hours
In international airports there are no set operating hours of the TRS facilities. If there is a departing international flight from the airport you are leaving, the TRS will be open for you to make a claim.
TRS facilities at seaports are usually available between one and four hours before sailing. You must ask the shipping company the location of the TRS facility as it varies depending on the port. Claims must be lodged at your final port of departure from Australia.
You may need to use a drop box to lodge your claim. For instructions when using a drop box, see Making the claim."
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