The BPay algorithm used to generate CRN's on invoices and payment instructions generated by the system is mod10v5.
The CRN's generated contain 9 digits.
Example CRNs are:
| 394523459 |
| 518619363 |
| 284468818 |
| 886651112 |
| 295157771 |
| 132240108 |
| 634092742 |
| 241029332 |
| 758423990 |
| 758081227 |