Here we would like to draw your attention to CRMBS53 transaction code in SAP. As we know it is being used in the SAP CA-GTF (General Application Functions in CA) component which is coming under CA module (Cross Application).CRMBS53 is a transaction code used for Display Authoriztaion Key in SAP.
It comes under the package BSV_GUID.
Transaction CRMBS53 technical data table
|Purpose||Display Authoriztaion Key|