(b) in collaboration with other authorities;
(d) by application to the competent judicial authorities.
(a) access any document in any form and receive a copy thereof;
(b) require any person to provide information and, if necessary, to summon and question a person with a view to obtaining information;
(c) carry out on-site inspections;
(i) in so far as permitted by national law, existing data traffic records held by a telecommunications operator, where there is a reasonable suspicion of an infringement and where such records may be relevant to an investigation into infringements of this Dir…