(1) Subject to subsection (15), a member of the Garda Síochána not below the rank of inspector may apply to a superior officer for an authorisation under this section where the member believes on reasonable grounds that -

(a) paragraph (a) or (b) of section 6C(1) apply to the internet source data in respect of which the application is made, and

(b) it is likely that, before the internet source data could be obtained pursuant to an authorisation under section 6C -

(i) the data would be wholly or partly destroyed or otherwise rendered unavailable,

(ii) the achievement of an objective specified in section 6C(1)(b) would be impeded, or

(iii) the security of the State would be compromised.

(2) Subject to subsection (15), a member of the Permanent Defence Force not below the rank of commandant may apply to a superior officer for an authorisation under this section where the member believes on reasonable grounds that -