US NACHA User Guide NACHA Payments NACHA Direct Debit Outbound US NACHA Debit Transaction View ACK/ATX Message ACK/ATX Message Click the ACK/ATX Message button. Figure 2-75 Outbound US NACHA Debit Transaction View - ACK/ATX MessageDescription of "Figure 2-75 Outbound US NACHA Debit Transaction View - ACK/ATX Message" On ACK/ATX Message screen, Transaction Reference Number gets auto-populated with following fields: Dispatch Reference Number Dispatch Date and Time Dispatch Status ACK/ATX Parent topic: Outbound US NACHA Debit Transaction View