SAR,CTR and E-Filing manages and maintenances SARs, CTRs, and E-file. It is based on FINCEN BSA electronic Filing requirements for Currency Transaction Report and Suspicious Activity Reports published on September 2011. These technical specifications are used to develop batch files of FinCEN's new CTR and SAR for upload or transmission to the BSA E-Filing System.
Below is the link to the specification:
Electronic Filing Requirements For FinCEN's Currency Transaction Report (CTR)
Electronic Filing Requirements For FinCEN's Suspicious Activity Report (SAR).