80.         Section 5 of the Immigration Act 2003 is amended by the substitution of the following for subsection (2)(a):

“(2) (a) Subject to paragraph (b), a person to whom this section applies may be arrested without warrant by an immigration officer or a member of the Garda Síochána, and a person so arrested may be taken to a place referred to in subparagraph (i) or (ii) and detained—

(i) under warrant of that officer or member in a prescribed place and in the custody of the officer of the Minister or member of the Garda Síochána for the time being in charge of that place, or

(ii) for the purposes of subsection (6) and for a period or periods each not exceeding 12 hours—

(I) in a vehicle, for the purposes of bringing the person to the port from which the ship, railway train, road vehicle or aircraft concerned is due to depart, or

(II) within the port referred to in clause (I).”.