STAR Supplier Registration A Supplier (Vendor) must have a STAR Supplier ID number in order to receive payment from the State of Wisconsin. To obtain a STAR Supplier ID number the proper forms should be completed and submitted to Department of Children and Families (DCF). The process may take up to 6 business days before a new Supplier ID is created in STAR. Information that is provided will be stored in the STAR system. Completed forms may be emailed, mailed or dropped off at DCF. Email forms to DCFSupplier@wi.govand copy the DCF contact person that requested the forms. Supplier name should be entered in the subject line of the email. Mailed DOA-6457: STAR Vendor Information forms; must include in the comments section the DCF contact person that requested the forms. DCF Finance Attn: Supplier Setup PO Box 8916 Madison, WI 53708-8916 Forms may be found at http://doa.wi.gov/Business-Partner-Services/ . Note: DCF requires all new suppliers to complete: DOA-6457: STAR Vendor Information form IRS W-9 form DOA-6456 STAR Authorization for Electronic Deposits is also required for contracts that are paid via the CORe or SPARC systems, and optional for all others.