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AAP
An accredited ACH professional certified by the National Automated Clearing House Association (NACHA).
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ATX (Financial EDI Acknowledgement)
An ATX entry is an acknowledgement by the receiving depository financial institution (RDFI) confirming the receipt of a corporate trade exchange (CTX) credit entry.
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NACHA (National Automated Clearing House Association – The Electronic Payments Association)
The national trade association responsible for developing and enforcing ACH rules and guidelines.
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