++++ 1. Officials - Social security - Insurance against the risk of accident and of occupational disease - Invalidity - Method of calculating allowance in the event of aggravation of injuries (Staff Regulations of Officials, Art. 73(2)(c); Rules on the Insurance of Officials of the European Communities against the Risk of Accident and of Occupational Disease, Art. 2) 2. Officials - Social security - Insurance against the risk of accident and of occupational disease - Invalidity - Benefits - Lump sum - Compensation payable in the event of invalidity - Aggravation of injuries - Revaluation taking currency depreciation into account - Not permissible (Staff Regulations of Officials, Art. 73(2)(b)and (c))