It introduced greater discipline for the length of time a case should take to be settled, with flexible deadlines set in various stages of the procedure. The agreement emphasizes that prompt settlement is essential if the WTO is to function effectively. It sets out in considerable detail the procedures and the timetable to be followed in resolving disputes. If a case runs its full course to a first ruling, it should not normally take more than about one year — 15 months if the case is appealed. The agreed time limits are flexible, and if the case is considered urgent (e.g. if perishable goods are involved), it is accelerated as much as possible.