Here we would like to draw your attention to M/50 transaction code in SAP. As we know it is being used in the SAP MM-PUR (Purchasing in MM) component which is coming under MM module (Material Management).M/50 is a transaction code used for Maintain Access Sequences: PO in SAP.
It comes under the package ME0C.
Transaction M/50 technical data table
|Purpose||Maintain Access Sequences: PO|