The User Number (also referred to as Originator ID) a value provided by the bank and is used to verify the originator of the transaction. When adding a Financial Institution and marking it as the Sponsoring Bank (BB33599) for your organization, the User number may or may not be required.  The number will be 24 characters for the United States and 10 characters for all other countries.

Please contact your sponsoring bank to determine if this data is required.