DS CWA 16374-66:2012
DS CWA 16374-66:2012 Extensions For Financial Services (Xfs) Interface Specification Release 3.20 - Part 66: Check Reader/Scanner Device Class Interface Migration From Version 3.10 (Cwa 15748) To Version 3.20 (This Cwa) Programmer's Reference Explains the XFS service class of check readers and scanners.