In this Division:
"carrier" , in relation to an unlawful non - citizen, means a controller of the vessel on which the non - citizen was last brought to Australia.
"controller" , in relation to a vessel, means the master, owner, agent or charterer of the vessel.
"costs" means the fares and other costs to the Commonwealth of transporting:
(a) a non - citizen; and
(b) a custodian of the non - citizen;
from Australia to the place outside Australia to which the non - citizen is removed or deported.