The Michigan State Historic Preservation Office is one of 59 state historic preservation offices established according to the National Historic Preservation Act of 1966 that plays a role in implementing federal historic preservation policy in the United States. The purposes of a SHPO include surveying and recognizing historic properties, reviewing nominations for properties to be included in the National Register of Historic Places, reviewing federal and state undertakings for their impact on historic resources, and supporting federal organizations, state and local governments, and private sector in historic preservation matters.