ABSTRACT: The Version 52 Summary provides a synopsis, by topic, of the changes that will be contained as part Transmittal 85 of the CABS Billing Output Specifications. The Version Summary explains, on an item-by-item approach, the changes being made for a particular version. This item-by-item approach avoids a review of the entire CABS BOS to determine what changes are being incorporated. It is a stand-alone document primarily intended for programmers, analysts, and spec writers. The Version 52 Summary includes 3 items of change, addressing the addition of a new data element (PCP Intrastate) as well as several clarifications. Version 52 becomes effective September 2012.