(1) 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 the cell site location data in respect of which the application was made are required for the purpose of -
(a) protecting the life or personal safety of a person, in circumstances where the member believes that there is a serious risk to the life or personal safety of the person, or
(b) determining the whereabouts of a missing person.
(2) A superior officer to whom an application under subsection (1) is made shall issue an authorisation under this section only if satisfied that -
(a) paragraphs (a) or (b) of the subsection applies in respect of the cell site location data concerned, and
(b) the issuing of the authorisation is necessary for, and proportionate to, the purposes for which the application is made.
(3) Subsections (6) to (12) and subsections (14) to (16) of section 6B shall apply in r
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