(1) Where -

(a) for the purpose of a criminal investigation the Minister has given an authorisation of an interception under section 2 of the Act of 1993,

(b) the telecommunications address of the person specified in the authorisation is being used on the territory of a member state, and

(c) technical assistance from the member state is not required to carry out the interception,

the Minister shall inform the competent authority in the member state of the authorisation -

(i) before the interception, if the Minister is then aware that the person is present on that territory, or

(ii) in any other case, immediately after the Minister becomes so aware.

(2) The notification shall include the following information:

(a) confirmation that authorisation of an interception has been given by warrant under section 2 of the Act of 1993 in connection with a criminal investigation;