The civil authority lacks the required level of capability to fulfil the task and it is unreasonable or prohibitively expensive to expect it to develop on.The use of mutual aid, other agencies, and the private sector must be otherwise considered as insufficient or be unsuitable. Military aid should always be the last resort.There are three criteria for the provision of MACA: 2.3 Military aid to the civil community.2.1 Military aid to other government departments.