Routing errors were therefore frequent causing payments to be delayed and incurred extra costs to the sending and receiving banks and often to intermediate routing banks also.
The checksum enables the initiator of any transaction to perform a sanity check of any specified bank account number on their own computer prior to actually initiating a request. Clearing requirements
All bank offices participating in any of the following clearings must have a sorting code:
Every bank office with a sorting code does not necessarily participate in all these clearings, however, once a sorting code has been issued to a bank office, the same sorting code will be used in all of the clearings. Banks in Northern Ireland can be part of either the British or the Irish clearing system, depending on their country of registration. Enter full or partial sortcode or clearing house to display any available data.