The common special status of the inventory has the following five kinds.
1) Limited inventory (restricted stock). Limit inventory is when the batch management function is enabled and the batch status function is activated, the batch status is a restricted state (restricted) batch, and the default MRP is considered. See section 16.5, "batch status" in detail.
2 returns stock. When you sell a return, you can return inventory to a different state using a different move type, and when you use Move type 653 to return to unrestricted inventory, and move type 651, return to an unpaid return inventory (returns stock). The inventory is worthless, does not belong to our own, and generally the quality is not clear, MRP always do not consider.
3 Frozen Stocks (Blocked stock). When a suspicious quantity of inventory exists in the inventory, the transaction code MB1B move type 343 converts this portion of inventory from unrestricted inventory to frozen inventory, and freezes inventory default MRP considerations.
4 Quality Control Inventory (qi/quality inspection stock). When the product is in quality inspection, it is called quality control stock, MRP always consider.
5 inventory in transit (stock in Transit). Default MRP Consider in-transit inventory, in-transit inventory definition, see section 10.3 for details. Through transaction code Oppi can set up three special State of inventory (in-transit inventory, frozen inventory, restricted inventory) whether to participate in MRP calculation.