Here we would like to draw your attention to FR55 transaction code in SAP. As we know it is being used in the SAP PSM-FM (Funds Management in PSM) component which is coming under PSM module (Public Sector Management). FR55 is a transaction code used for Distribute Release in SAP.
It comes under the package for Budgeting Funds Management/Cost Accounting (FM Add-On) (KABP_ADDON). When we execute this transaction code, RFFMISPS is the normal standard SAP program that is being executed in background. Transaction code FR55 is included in the SAP component for EA-PS.
Transaction FR55 technical data table