The last step in the MRP calculation is the lead time planning. This involves the planning dates of parts, operations, equipment and external operations being filled in automatically. Once these planning dates have been filled in, a new stock reservation is created, as the authorization had already been given in the step Copy calculation to production file.
Note: Only a reservation for MRP is created, as the created production files have an 'Offer' status.
The low-level code is increased by 1 and the process continues with step Check low-level code. The cycle is repeated until the calculations have been performed for all levels.