The user can manually change work orders or purchase requisitions (for the planned orders and the firm orders) directly from the master production schedules:
•by cancelling an order,
•by changing the quantity in an order,
•by changing the date(s) in an order,
•by changing the status of an order:
A suggested production or purchase can be transformed into a planned order.
A planned order can be transformed into a firm order.
A firm order can be transformed into an open order.