Bank routing numbers are maintained in a user-defined code table that is custom to each organization. You will need to add these using the KEMS Code Maintenance screen.
Go to Employee Management System -> System Administration Menu -> Personnel Controls -> KEMS Code Table Maintenance (KE0124) -> Code Type is DD.BANK -> Enter the bank routing number for the Code -> Enter the Description of the bank.
See example below:
Note: Routing numbers should always be nine digits.