(1) Section 103 of the Principal Act is hereby amended by -
(a) the insertion in subsections (2) and (3) after "a member of the Garda Síochána" where that phrase first occurs of "or an authorised person" and after "the member" of "or authorised person",
(b) the insertion after subsection (7) of the following:
"(8) In this section 'authorised person' means a person appointed by the Commissioner to be an authorised person for the purposes of this section."
(2) Where an authorised person for the purposes of section 103 of the Principal Act finds a person and has reasonable grounds for believing that such person is committing or has committed an offence to which that section applies, the authorised person may demand of such person his name and address and, if such person refuses or fails to give his name and address or gives a name or address which is false or misleading, he shall be guilty of an offence.
(3) The number of persons appointed by the Commissioner to be authorised perso