Here we would like to draw your attention to OMWPS3 transaction code in SAP. As we know it is being used in the SAP MM-IM (Inventory Management in MM) component which is coming under MM module (Material Management).OMWPS3 is a transaction code used for C LIFO: Reassign Material Layer in SAP.
It comes under the package MRY.
Transaction OMWPS3 technical data table
|Purpose||C LIFO: Reassign Material Layer|