Here we would like to draw your attention to OMWP 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).OMWP is a transaction code used for C LIFO/FIFO Methods in SAP.
It comes under the package MRY.
Transaction OMWP technical data table
|Purpose||C LIFO/FIFO Methods|