Here we would like to draw your attention to SRMREFRULE 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).SRMREFRULE is a transaction code used for Generation Rules for Record Numbers in SAP.
It comes under the package SRM_RECORD_FACILITIES.When we execute this transaction code, SRMRG_RULE_ADMIN is the normal standard SAP program that is being executed in background.
Transaction SRMREFRULE technical data table
|Purpose||Generation Rules for Record Numbers|