This part of ISO/IEC 24791 defines the interface(s) that provide operations on RFID tag data including, but not limited to, reading, writing, collection, filtering, grouping, and event subscription and notification within the Software System Infrastructure (SSI).Specifically, the interface(s) defined by this part of ISO/IEC 24791 provide the following features:- full support for the commands and responses for air protocols supported by this part of ISO/IEC 24791 at an abstraction level appropriate for Data Management¡¦s position in the SSI architecture defined in ISO/IEC 24791-1;- an abstract definition of commands and operations that can be applied to diff