++++ Agriculture - Common organization of the markets - Oils and fats - Subsidy for oilseeds - Advance fixing - Suspension - Condition to be fulfilled - Abnormal market situation - Mere possibility of disturbance deriving from a material error in the fixing of conversion rates for the subsidy - Illegality of the suspension - Consequences ( Council Regulation No 1594/83, Art . 8(1 ); Commission Regulations Nos 735 and 756/85 )