27.— (1) This section applies where—

(a) the competent authority in a member state has authorised an interception,

(b) the telecommunications address of the person specified in the authorisation is being used on the territory of the State,

(c) technical assistance from the State is not required to carry out the interception, and

(d) the competent authority notifies the Minister accordingly in accordance with Article 20 of the 2000 Convention.

(2) Where this section applies, the Minister, without delay and at the latest within a period specified in subsection (7), shall proceed in accordance with subsection (3) or subsections (4) and (5), as appropriate.

(3) If an authorisation would be given under section 2 of the Act of 1993 in similar circumstances, the Minister shall authorise the interception to be carried out or continued.

(4) If—

(a) an authorisation under the said section 2 would not be given,

(b) section 3 applies, or

(c) the offence concerned is a political offence or revenue offence,

the Minister shall require that the interception not be carried out or be terminated and give the reasons for so requiring in writing.

(5) Where subsection (4) applies, the Minister shall require that any material already intercepted while the telecommunications address was being used in the State may not be used or may be used only under specified conditions, the justification for which shall be communicated by the Minister to the competent authority in writing.

(6) The Minister may request the competent authority to supply a summary of the facts of the case and any further information necessary to enable him or her to decide whether an authorisation would be given under section 2 of the Act of 1993 in similar circumstances.

(7) The following period is specified for the purposes of subsection (2):

(a) a period not exceeding 96 hours; or

(b) where it is necessary to determine whether an authorisation under section 2 of the Act of 1993 would be given in similar circumstances, a period not exceeding in total 12 days.

(8) Where paragraph (b) of subsection (7) applies, the Minister shall communicate in writing to the competent authority the conditions which justify the request for an extension of the period mentioned in paragraph (a) of that subsection.

(9) Information provided under this section by the competent authority is deemed to be official information for the purposes of the Official Secrets Act 1963.