This document is the user guide for Oracle Trading Community Architecture Party Merge, Release 11i. It provides instructions for using the party merge functionality to consolidate duplicate party records in Oracle applications. The guide describes how to register applications for party merge, merge parties and their associated entities, set up party merge, create merge batches, process merges, and identify errors. It also covers how party merges impact Dun & Bradstreet data and how to perform duplicate checking.