Developed by HDMA’s eCommerce Task Force, these electronic data interchange sets provide guidance to trading partners on business practices related to merchandise returns and debit or memos that can be exchanged between distributors and manufacturers. The 180 EDI transaction set provides guidance can be used in transactions including requests for returns, the authorization or disposition of returns and notification of returns or consumer returns. The 812 EDI transaction set can be used for such transactions as rebates, bill-back credits, returns, overcharges (including shortage claims), undercharges, handling fees and damaged goods. The guidelines have been revised by the task force to provide multiple return reason and entity codes and provision for product serialization. Business case examples also are included in each transaction set. These guidelines were developed with the application of the Accredited Standards Committee (ASC) X12 standards, version 4010.