1. Member States may adopt legislative measures restricting, wholly or partly, the data subject's right of access to the extent that, and for as long as such a partial or complete restriction constitutes a necessary and proportionate measure in a democratic society with due regard for the fundamental rights and legitimate interests of the natural person concerned, in order to:

(a) avoid obstructing official or legal inquiries, investigations or procedures;

(b) avoid prejudicing the prevention, detection, investigation or prosecution of criminal offences or the execution of criminal penalties;

(c) protect public security;

(d) protect national security;

(e) protect the rights and freedoms of others.

2. Member States may adopt legislative measures in order to determine categories of processing which may wholly or partly fall under points (a) to (e) of paragraph 1.