Here we would like to draw your attention to GR12 transaction code in SAP. As we know it is being used in the SAP FI-SL (Special Purpose Ledger in FI) component which is coming under FI module (Financial Accounting). GR12 is a transaction code used for Change Standard Layout in SAP.
It comes under the package for Report Painter / Report Writer (GRWT). When we execute this transaction code, SAPLGRWF is the normal standard SAP program that is being executed in background. Transaction code GR12 is included in the SAP component for SAP_FIN.
SAP GR12 menu path
See the possible menu paths to access the same report by avoiding entering the transaction code.
Logistics → Project System → Information System → Tools → Cost Element Reports → Define → Report Writer → Standard Layout → Change
Transaction GR12 technical data table
|Usage||Change Standard Layout|