4. SADC shall reimburse each contributing Member State for the provision of minor equipment and consumables related to self-sustenance in accordance with the SADC financial guidelines. 5. The reimbursement rates for the minor equipment and consumables shall be reduced proportionately in the event that the equipment does not meet the required performance standards as agreed upon or in the event that the level of minor equipment and consumables is reduced. 6. The payment of personnel costs, the lease and self-sustenance rates will be calculated from the date of arrival of personnel and equipment in the mission area and will remain in effect until the date the personnel and/or equipment ceases to be deployed in the mission area as determined by SADC. ARTICLE 12 COMMAND AND CONTROL 1. The SADCBRIG command structure shall be harmonized to enable it to interact with the AU and UN command arrangements in the field. 2. The command structure at any SADCBRIG headquarters shall strictly be representative of all contributing State Parties. 3. The SADCBRIG shall be subject to the standard command and control arrangements of the AU and UN operations. 4. When deployed, SADCBRIG shall be under the strategic direction of the Special Representative to be appointed for every specific mission by the Mandating Authority. 5. The SADC Summit shall appoint a Force Commander, Commissioner of Police and Head of the Civilian Component for each specific mission 10