(1) A member of the Garda Síochána, member of the Permanent Defence Force, officer of the Revenue Commissioners or officer of the Competition and Consumer Protection Commission, as the case may be, to whom an authorisation has been issued under section 6A, 6B, 6C, 6D or 6E may at any time in the period during which the authorisation has effect, by notice in writing require the service provider specified in the authorisation to disclose to the member or officer concerned Schedule 2 data, internet source data or cell site location data, as the case may be -

(a) of such class or classes as are specified in the authorisation and in the service provider's possession or control, and

(b) subject to such conditions and directions as may be specified in the authorisation.

(2) A service provider to whom a notice is given under subsection (1) shall comply with the requirement concerned -

(a) where the disclosure requirement is made pursuant to an authorisation under section 6B, 6D or 6E, without delay, and

(b) in any other case, as soon as is practicable.