(1) Where a person is at a Garda Síochána station having been arrested under section 4(8), 5 (10), 6(4), 9(4), 10(7) or 11(6) of this Act or section 52(3), 53(5), 106(3A) or 112(6) of the Principal Act, he or she may, at the Garda Síochána station, if the member of the Garda Síochána for the time being in charge of the station is of opinion that the person is under the influence of an intoxicant to such an extent as to be a threat to the safety of himself or herself or others, be detained in custody for such period (not exceeding 6 hours from the time of his or her arrest or, as the case may be, from the time he or she was required to accompany a member to the station) as the member of the Garda Síochána so in charge considers necessary.

(2) Where a person is detained under subsection (1), the member of the Garda Síochána for the time being in charge of the Garda Síochána station shall-