For planning needs and following the existing button on planning worksheet "reserve". It would be usefull to make possible the reservation of items from planning worksheet in orther to supply determined sales or projects, keeping dates coordination.

System can make reservation automatically when you work with items with "order" reorder policing but doesn't alow to make reservations from planning worksheet manually.

This would be helpfull in order to reserve planifications of determined lots or "make to stock" future orders and purchases that you want to gruop into a project manually, instead of waiting to a real order.