FREEDOM OF INFORMATION [CAP. 496. 17 existence for the purpose of submission to the Cabinet; (b) an official record of the Cabinet; (c) a document that is a copy of all or part of, or contains an extract from, a document referred to in paragraph (a) or (b); or (d) a document the disclosure of which would involve the disclosure of any deliberation or decision of the Cabinet, other than a document by which a decision of the Cabinet was published: Provided that each year, the Prime Minister may direct that certain Cabinet documents, being documents selected from among th o s e t h a t a r e t h i r t y y e a r s o l d o r m o r e , s h a l l b e s u b j e c t t o disclosure, whereupon this subarticle shall not apply to such documents. (3) Subarticle (2) shall not apply to a document if, and in so far as, it contains factual information relating to a decision of the Cabinet that has been published. (4) In subarticles (2) and (3) "Cabinet" includes Cabinet Committees. 30. (1) A document is an exempt document if its disclosure under this Act would, or could reasonably be expected to: (a) prejudice the conduct of an investigation of a breach, or possible breach, of the law, or a failure, or possible failure, to comply with a law relating to taxation or prejudice the enforcement or proper administration of the law in a particular instance; Documents affecting the enforcement of the law and the protection of public safety. (b) disclose, or enable a person to ascertain, the existence or identity of a confidential source of information, or the non-existence of a confidential source of information, in relation to the enforcement or administration of the law; or (c) endanger the life or physical safety of any person. (2) A document is an exempt document if its disclosure under this Act would, or could reasonably be expected to: (a) prejudice the fair trial of a person or the impartial adjudication of a particular case by any court, tribunal, disciplinary board, arbitration panel or similar body, or prejudice an inquiry conducted under the Inquiries Act; (b) prejudice the effectiveness of lawful methods or procedures for preventing, detecting, investigating, or dealing with matters arising out of breaches or evasions of the law through the disclosure thereof; or (c) prejudice the maintenance or enforcement of lawful methods for the protection of public safety. (3) For the purposes of subarticle (1)(b), a person shall be taken to be a confidential source of information in relation to the Cap. 273.