2.3.2.7 ACK/ATX Message Click the ACK/ATX Message button. Figure 2-77 Outbound US NACHA Debit Transaction View - ACK/ATX MessageDescription of "Figure 2-77 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