8 CAP. 496.] FREEDOM OF INFORMATION will be published within three months; (e) that the document requested cannot be found, and this is certified in writing by the head of the public authority; (f) that the resources required to (i) identify, locate or collate a document or documents; (ii) examine a document or consult any person or body in relation to its possible disclosure; or (iii) make a copy, or an edited copy, of a document, would substantially and unreasonably divert the resources of the public authority from its other operations, and it has not proved possible for the applicant, with advice from the public authority, to redefine his request in such a manner as to make it more easily addressed by the authority; (g) that the document requested is not held by the public authority and the person dealing with the request has no grounds for believing that the document is held by, or connected more closely with the functions of, another public authority; or (h) that the request is frivolous or vexatious or that the information requested is trivial. Reason for refusal to be given. 15. (1) Where a request made in accordance with this Act is refused, the public authority shall (a) subject to article 34, give the applicant the reasons for the refusal; and (b) state that the applicant has the right, under article 23, to seek an investigation and review by the Commissioner of the refusal. (2) A notice under this article is not required to contain any matter that is of such a nature that its inclusion in a document would cause that document to be an exempt document. Decisions by public authorities under this Act. Cap. 249. Cap. 497. 16. (1) A decision by a public authority in respect of a request under this Act shall, subject to article 6(c) of the Interpretation Act, be taken by (a) the head of the public authority or its governing board (as applicable), as identified in or established under the Public Administration Act or any other instrument to which the authority is subject; or (b) an officer of the public authority, acting within the scope of the authority exercisable by him in accordance with arrangements approved by the head of the authority or by its governing board. Cap. 50. (2) A decision to disclose or grant access to a document in accordance with this Act shall constitute authorised disclosure in terms of the Official Secrets Act.