CSCE TO PUT ADDITIONAL MARGIN ON JULY COCOA A 250 dlr spot charge will be added to the New York cocoa futures, July delivery, contract starting Wednesday, March 18, the Coffee, Sugar and Cocoa Exchange said. The March delivery ceases trading March 17, making May and July the two nearby unlimited positions. Previously, March and May were unlimited. The margin requirement for a May or July position will be 1,000 dlrs--750 dlrs original margin plus 250 dlrs spot fee.