SCO Supplier Maintenance

Supplier Maintenance - New/Existing

Organizations or individuals registered to sell goods or services to, or as a payee of, the State of Wisconsin (i.e. receives a payment from the State)


​New Suppliers

Please fill out the following forms to create a new account within STAR

​Existing Suppliers

Please fill out the appropriate form for your information change

​IRS W9 Form

Supplier Address Change (DOA-6457)

New Supplier Information (DOA-6460)

Change Direct Deposit (DOA-6456)

Supplier Tax Number Change (DOA-6459)


​Change of Supplier Name (DOA-6458)

When you have completed the appropriate forms, you must LOCK them and submit to the agency that requested you fill out the forms. They will then submit them to the STAR Business Support SharePoint site below.

The standard Service Level Agreement (SLA) for adding a new Supplier shall be 3 business days from the time the properly completed documents are received by the Controller's Office, provided that the completed request forms are received no later than 12 pm (requests received after 12 pm may be completed as late as the 4th business day).

The standard SLA for a Rush Supplier shall be the same business day, provided that the completed request forms are received by 10 am (requests received after 10 am may be completed as late as the next business day).

If you have not received your entry by the end of the SLA timeframe, please email the WIVendors inbox to inquire about the status.

Submit Forms Here