Market Operations and Infrastructure Securities Market Clearing System - CCASS/3 CCASS/3 Information Kit CCASS Terminal User Guide for Participants CCASS Terminal User Guide for Designated Banks Batch File Upload and Report Data Download Information Frequently Asked Questions CCASS/3 Participant Gateway (PG) PG Acquisition Package Messaging Specifications CCASS/3 Messaging Specifications for Participant Supplied System (PSS) Part 1 v4.1 (27 Oct 2008) CCASS/3 Messaging Specifications for Participant Supplied System (PSS) Part 2 v3.1 (3 Dec 2007) CCASS/3 Detail Message Template for Participant Supplied System (PSS) v6.0 (27 Oct 2008) End-to-End Test Package Technical FAQ