(1) The port operator of a designated port is liable to pay all expenses incurred by the regional harbourmaster for the port in exercising a step-in right under section 139 .
(2) An amount that the port operator is liable to pay under subsection (1) for expenses may be recovered as a debt due and payable to the Territory.
(3) Any such amount is additional to any penalty imposed for an offence against section 141 (1).