2025/2026
ACH AAP Study Guide
questions and answer
latest update 2025/2026
USER
[COMPANY NAME]
, R37 - ✔✔answer Reason code used by RDFI when the source document for an ARC has been presented
for payment
2 times - ✔✔answer How many times can ODFI reinitiate a POP transaction when it is returned for
either R01(insufficient funds) or R09 (uncollected funds)
1. Manually post the entry
2. Manually post the entry and initiate a Notification of Change (NOC)
3. Return the entry - ✔✔answer What can RDFI do with an entry that does not post?
Settlement Date - ✔✔answer NOT a field minimally included in the File Acknowledgment Entry from
the ACH Operator for each file that was not rejected by the ACH Operator
A required field - ✔✔answer What must be included by the ODFI or the file will be rejected by the ACH
Operator
CTX (corporate trade entry)
CCD (corporate credit or debit entry) - ✔✔answer Standard Entry Class codes that can be used for non-
monetary payments
CIE (Customer Initiated Entry) - ✔✔answer Credit only application, associated with home banking
ATX (Financial EDI Acknowledgement) - ✔✔answer Acknowledgment of receipt of a corporate credit
payment originated using the CTX format
POS (Point of Sale) - ✔✔answer Debit entry initiated at an electronic terminal as defined by Reg E to
effect a transfer of funds from a consumer account to pay an obligation incurred in a point of sale
transaction
MTE (Machine Transfer Entry) - ✔✔answer Debit or credit Entr to transfer funds to or from the
consumers account, initiated at an electronic terminal as defined by Reg E
ACH AAP Study Guide
questions and answer
latest update 2025/2026
USER
[COMPANY NAME]
, R37 - ✔✔answer Reason code used by RDFI when the source document for an ARC has been presented
for payment
2 times - ✔✔answer How many times can ODFI reinitiate a POP transaction when it is returned for
either R01(insufficient funds) or R09 (uncollected funds)
1. Manually post the entry
2. Manually post the entry and initiate a Notification of Change (NOC)
3. Return the entry - ✔✔answer What can RDFI do with an entry that does not post?
Settlement Date - ✔✔answer NOT a field minimally included in the File Acknowledgment Entry from
the ACH Operator for each file that was not rejected by the ACH Operator
A required field - ✔✔answer What must be included by the ODFI or the file will be rejected by the ACH
Operator
CTX (corporate trade entry)
CCD (corporate credit or debit entry) - ✔✔answer Standard Entry Class codes that can be used for non-
monetary payments
CIE (Customer Initiated Entry) - ✔✔answer Credit only application, associated with home banking
ATX (Financial EDI Acknowledgement) - ✔✔answer Acknowledgment of receipt of a corporate credit
payment originated using the CTX format
POS (Point of Sale) - ✔✔answer Debit entry initiated at an electronic terminal as defined by Reg E to
effect a transfer of funds from a consumer account to pay an obligation incurred in a point of sale
transaction
MTE (Machine Transfer Entry) - ✔✔answer Debit or credit Entr to transfer funds to or from the
consumers account, initiated at an electronic terminal as defined by Reg E
