A rating method under which the insured’s premium depends upon the insured’s own loss experience subject to minimum and maximum premium constraints. Usually used in Group Mediclaim and Group Personal Accident Policies. In a similar yet different approach a provisional premium is paid at the beginning of the policy period and at the end of the period a final premium is computed based on the actual loss experience during the period. It is also widely used for Workmen’s (Employee’s) Liability Insurance, Liability Insurance policies, Motor Act only Policy, Property damage and Burglary Policy for large firms.