How is a trade initiated? What is 'Negotiated Increase'? All the provisions in the IPL rule book that you need to know. The concept of the IPL player trade would seem as complicated as getting a grasp of the Duckworth-Lewis-Stern system in curtailed games of cricket. While the BCCI says 'trading negotiations between the selling and buying franchisees should be only with regard to the League Fee payable,' it has also created.