(3) Where an authorised person referred to in subsection (1) or a person referred to in subsection (2) arrests a person under that subsection he or she shall, as soon as practicable, deliver the person into the custody of a member of the Garda Síochána to be dealt with according to law. The arrest of the person does not prejudice his or her re-arrest under statute or otherwise by a member of the Garda Síochána.".