Here we would like to draw your attention to OY04 transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).OY04 is a transaction code used for C Decimal Places for Currencies in SAP.
It comes under the package SFIB.When we execute this transaction code, RUMTCURX is the normal standard SAP program that is being executed in background.
Transaction OY04 technical data table
|Purpose||C Decimal Places for Currencies|