Section 57A(19) in The Rajasthan Agricultural Produce Markets Rules, 1963
(19)The contract farming buyer shall furnish an undertaking equal to 20% of the value of the contracted amount i.e. the value of the contracted quantity multiplied by the contracted price, with the market committee concerned. The amount of the undertaking shall be utilised by the market committee to compensate the contract farming producer in the eventuality of refusal by the contract farming purchaser to purchase the contracted produce. If the difference between the agreed price and sale price is more than the 20% of the value of the contracted amount, the difference amount shall be payable by the contract farming buyer to the producer within 15 days from the date of claim of the amount of difference.