If, after completing your bank enrollment application in Account Hub you need to add or change your EIN in the W-9 section, you will need to contact sales at 888.420.1040.
This section of the enrollment application is locked and cannot be edited after saving it. TaxSlayer Pro support is unable to assist, however your sales manager will be able to verify your information and unlock your bank application for updating.
Additional Information:
EPS Financial ERO Enrollment Application Guide