[360] 13 (ii) it is adequately staffed to ensure availability at all times, and (iii) it relies on an infrastructure the continuity of which is ensured with redundant systems and backup working space being available. (4) Where it considers it appropriate to do so, the CSIRT may co-operate with international co-operation networks. (5) In this Regulation, “relevant stakeholders” includes— (a) a Minister of the Government, and (b) a body, or holder of an office, in whom functions are vested relating to the regulation of persons or activities referred to in Schedule 1 or the services referred to in Schedule 2 for purposes other than the purposes of these Regulations where the body or office is established by or under an enactment, where the CSIRT considers that, having regard to its functions and the functions of the Minister concerned or the functions of the body or office holder concerned, as the case may be, the provision of the warnings, alerts announcements or information concerned, is appropriate in the circumstances. PART 3 NATIONAL STRATEGY ON THE SECURITY OF NETWORK AND INFORMATION SYSTEMS National Strategy on the security of network and information systems 11. (1) The Minister shall prepare a national strategy on the security of network and information systems (the “national strategy”). (2) The national strategy shall set out strategic objectives and policy and regulatory measures intended to achieve and maintain a high level of security of network and information systems in not fewer than the sectors referred to in Schedule 1 and the services referred to in Schedule 2 and shall address the following: (a) the objectives and priorities of the national strategy; (b) the regulatory measures and enforcement framework required to achieve the objectives and priorities of the national strategy including setting out the roles and responsibilities of governmental bodies and other relevant persons; (c) measures relating to preparedness, response and recovery in relation to risks and incidents, including co-operation between the public and private sectors;