R51
Item Related to RCK Entry is Ineligible or RCK Entry is Improper
The item underlying an RCK entry was ineligible, notice was not provided, the signature is not genuine, the item was altered, or the amount was not accurately obtained from the item.
- Initiator
- RDFI (customer claim)
- Category
- Authorization
- Retry
- No
What to do next
Do not re-originate. Review RCK eligibility and notice practices — this code bundles several distinct failures, including forgery claims.
RCK
Awaiting expert review
Compiled from public secondary sources and not verified against the NACHA Operating Rules.
