The purpose of this transaction is to reclassify the balance ID. It is controlled by the input field CALT (Calculation method):
The calculation method is saved in the stock instruction MMS852 (table MMIINS) in the field CAMD.
When calculation method 0 is used, the input field NITN (new item number) can be entered to reclassify to a new item number. The input field QLQT (quantity) can be used to reclassify only part of the balance ID to a new item.
When calculation method 1 is used, the whole balance ID is reclassified to a new status.