diff --git a/pages/docs/balance/real-time-payments.mdx b/pages/docs/balance/real-time-payments.mdx
index dfa40070..c8627535 100755
--- a/pages/docs/balance/real-time-payments.mdx
+++ b/pages/docs/balance/real-time-payments.mdx
@@ -386,6 +386,7 @@ Error codes provide the reason a message did not complete and can be found on th
 | FF08 | End to End ID is missing or invalid                                                                        |
 | MD07 | End customer is deceased                                                                                   |
 | NARR | Reason is provided as narrative information in the additional reason information                           |
+| NARR | Cannot validate retail account number                                                                      |
 | RC01 | Bank identifier code specified in the message has an incorrect format                                      |
 | RC02 | Bank identified is invalid or missing                                                                      |
 | RC03 | Debtor FI identifier is invalid or missing                                                                 |