It is possible to assign serial numbers in the event of goods movements for individual pieces of material. It does not matter in which application these goods movements are triggered.

Furthermore, the system can perform a stock check, which in turn ensures correct inventory of individual stock. This check takes place at plant and storage location level, as well as for:

• All types of stock (for example, unrestricted-use stock, stock in quality inspection, blocked stock returns, stock in transfer, stock in transit, blocked stock)
• All special stocks (for example, open order quantity, project stock, customer stock and vendor consignment stock)

You must use the component Inventory Management to be able to post goods movements.

In order to assign serial numbers for goods issues from repetitive manufacturing, you also need the component Repetitive Manufacturing.

A serial number profile with the procedure MMSL must be entered in the material master record.

If a stock check is to be performed, the indicator of the same name must be set in the serial number profile.

In order that the individual stocks are recorded correctly, you must define the indicator as follows:

• The serial number usage for the procedure MMSL must be 03, meaning that the assignment of serial numbers is obligatory for goods movements.
• The stock check must be 2, meaning that if the stock data is inconsistent, the system does not perform the posting and issues a corresponding error message.

In Customizing for inventory management you can sort the different types of goods movements into groups using movement type groups. By assigning movement type groups to a serialization procedure you define for the assigned movements whether:

• Serial number requirement exists for the materials assigned to the profile
• A serial number including an equipment master record is created in inventory management for a goods movement

Serial numbers can be assigned for goods receipts, goods issues, stock transfers and stock transport orders.

You use the serial number usage in the serial number profile to control whether:

• The serial number must be entered for every goods movement, or
• The serial number cannot be entered for any goods movement

The following information is recorded for the serial number for each goods movement:

• Plant and storage location
• Batch
• Valuation type
• Stock type
• Special stock indicator
• Sales order number and order item
• Account number of the vendor or customer
• Work breakdown structure element