A regulated automatic billing updater (ABU) computing device for enriching data included within a data set is provided. The regulated ABU computing device is for enriching merchant identifiers included within account data update requests. The regulated ABU computing device is configured to receive a request for updated account data. The regulated ABU computing device is further configured to retrieve from a transaction database data associated with one or more merchants and identify a target merchant from the transaction database. The regulated ABU computing device is configured to associate the target merchant with the non-enriched merchant identifier to generate an enriched merchant identifier.