Domestic
PAYMENTS SIGNAL · REFERENCE CARDJapan Zengin System
A domestic yen credit transfer from one customer to another, netted by the Zengin Center and settled net across the banks' accounts at the Bank of Japan.
Actors
- Riya (payer)customer
- Bank Alfa (sending bank)bank
- Zengin System (Zengin-Net)infrastructure
- Nordbank (receiving bank)bank
- Arjun (payee)customer
- Bank of Japan (settlement)infrastructure
Messages
No standard message — a book / internal transfer.
The sequence
| # | Step | Route | Kind |
|---|---|---|---|
| 1 | Transfer request — Riya instructs the transfer | Riya → Bank Alfa | message |
| 2 | DR Riya — Bank Alfa debits Riya's account | Bank Alfa | posting |
| 3 | Zengin transfer — Bank Alfa sends the transfer through the Zengin System | Bank Alfa → Zengin | message |
| 4 | CR Arjun — Nordbank makes the funds available to Arjun | Nordbank | posting |
| 5 | Net positions — The Zengin Center calculates each bank's net position | Zengin | clearing |
| 6 | Net settlement at BOJ — Net positions settle across accounts at the Bank of Japan | Bank Alfa → Nordbank | settlement |
Exception rails
| Rail | Trigger | Where the money ends up | Next action |
|---|---|---|---|
| Return: invalid account | Nordbank finds the beneficiary account invalid or closed and cannot credit Arjun, so the transfer must go back. | Returned to Riya's account; Arjun was never credited. · The failed transfer's obligation is unwound and the return nets and settles through the same Zengin cycle at the Bank of Japan. | Nordbank — Riya confirms Arjun's correct account details and sends the transfer again. |