1 Domestic Low Value Payments This chapter contains the following sections: Domestic Low Value Payments ACH Outbound Transactions ACH Outbound Transaction Processes and Validations ACH Inbound Transactions ACH Inbound Transaction Processes and Validations Processing R-transactions Overview of Domestic Low Value Payments ACH Outbound Transactions ACH Outbound Transaction Processes and Validations ACH Inbound Transactions ACH Inbound Transaction Processes and Validations Processing R-transactions R-Transactions Dispatch Inquiry Process SEPA Messaging