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Please consult the User Guide for additional information. Also, you may view the FAQ document from this site as well. If you are still experiencing difficulty, you can contact the Payee Registration Helpline for assistance at: Program Phone/Address/E-mail Hours State Vendor File to manage vendor information (including EFT) and register for Grants and Solicitations Mail PO Box 30026 Lansing, MI 48909
Call Center (517)373-4111 (Lansing) (888)734-9749 (All Others) Monday – Friday 7 A.M. – 6 P.M. Fax (517)763-0300
E-mail SIGMA-Vendor@michigan.gov