Mailing address:

Michigan Department of State
IRP Unit
P.O. Box 30029
Lansing, MI 48909-7529

Physical address:

Michigan Department of State
IRP Unit
7064 Crowner Dr
Dimondale, MI 48918-1502

Telephone: (517) 322-1097
Fax: (517) 322-1058

E-mail address: sosirp@michigan.gov

Office hours are 8 a.m. to 4:45 p.m., Monday, Tuesday, Thursday, and Friday; and 9:30 a.m. to 4:45 p.m., Wednesday, excluding state holidays.

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