Multi-Agency Letter in Support of the NIBRS Transition Letter from the IACP, MCCA, NSA, and MCSA, expressing support for transitioning to the National Incident-Based Reporting System (NIBRS) and retiring the Summary Reporting System (SRS). Loading The Document Viewer requires that you enable Javascript. Download nibrs-joint-seal-letter-of-support-august-2015.pdf — 79 KB