These optional Standard Entry Class Codes are available for use by the RDFI to acknowledge the receipt of ACH credit payments originated using the CCD or CTX formats. These acknowledgments indicate to the Originator that the payment was received and that the RDFI will attempt to post the payment to the Receiver's account. Acknowledgment entries initiated in response to a CCD credit entry utilize the ACK format. Acknowledgments initiated in response to a CTX credit entry utilize the ATX format.

This Standard Entry Class Code represents an optional service to be provided by ACH Operators that identifies automated accounting advices of ACH accounting information in machine-readable format to facilitate the automation of accounting information for Participating DFIs.

This Standard Entry Class Code is used by an RDFI or ODFI when originating a Notification of Change or Refused Notification of Change in automated format. It is also used by the ACH Operator that converts paper Notifications of Change to automated format.

This application is utilized by a Federal Government agency (for example, the Social Security Administration) to notify a depository financial institution that the recipient of a government benefit payment has died.

This optional SEC Code allows a depository financial institution to transmit ACH enrollment information to Federal Government Agencies via the ACH Network for future credit and debit applications on behalf of both consumers and companies.

This Standard Entry Class Code is used to identify batches of truncated checks. For more information on check truncation, please see the National Association for Check Safekeeping Guidelines available from NACHA.

This application can be utilized by a collecting institution for the collection of certain checks when those checks have been destroyed.