Furthermore routing information as specified by ISO 9362 does not contain check digits, so simple errors of transcription were not detectable and it was not possible for a sending bank to validate the routing information prior to submitting the payment. Also, sort codes for Northern Ireland branches of banks registered in both Northern Ireland and the Republic, are valid, and recognized for use in the Republic. UK clearings systems:
UK Clearing systems
BACS: Bulk electronic clearing
CHAPS Sterling: High value, same day sterling payment clearing
CHAPS Euro: High value, same day euro payment clearing
Cheque and Credit Clearing: Cheque clearing for Great Britain & Northern Ireland.
Is the account number, bank code and country code combination compatible with the check digits?
The numbering ranges for both are complementary, but do not overlap.
Every company that does financial transactions can benefit from having a SORT Codes database to verify it's payments, minimizing the risk of mistyped or incorrect data.