Automated clearing house system

(ACH). A domestic electronic clearing system in which payment orders are exchanged among financial institutions, primarily via magnetic media or telecommunication networks, and handled by a data-processing centre.

See also

• Accounts receivable conversion
• Accounts receivable management
• ACH credit transaction
• ACH debit transaction
• ACH operator
• Cash concentration or disbursement
• CORE system
• Electronic check
• Electronic funds transfer
• Electronic lockbox
• Pan-European Automated Clearing House
• Payment order
• Treasury workstation