Here we would like to draw your attention to M806 transaction code in SAP. As we know it is being used in the SAP MM-IV (Invoice Verification in MM) component which is coming under MM module (Material Management).M806 is a transaction code used for Message Types (Invoice Verification) in SAP.
It comes under the package MR0C.
Transaction M806 technical data table
|Purpose||Message Types (Invoice Verification)|