the authority does not hold the requested information the request is manifestly unreasonable; the request is too general; the requested information is in the course of completion; the request concerns internal communications; the disclosure of the information would adversely affect: the confidentiality of the proceedings of public authorities or of commercial or industrial information; public security or national defence; the course of justice; intellectual property rights; the confidentiality of personal data; the interests of the person who supplied the information on a voluntary basis; or the protection of the environment.