Modification to part1 of the Sixth Schedule to change the trigger for the payment of the sports and leisure contribution from "commencement of development" to "50 percent of the Sports and Leisure Contribution upon Commencement of the Development and the remaining 50 percent paid in four months from the date of Commencement of the Development, or upon the construction of the first dwelling above slab level, which ever is sooner" All other requirements of the agreement are to remain unchanged on application 15/03786/AOP