Here we would like to draw your attention to BS53 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).BS53 is a transaction code used for Display authoriztaion key in SAP.
It comes under the package BSV.
Transaction BS53 technical data table
|Purpose||Display authoriztaion key|