Mich. Comp. Laws § 125.1443a

Sec. 43a. The authority may covenant and consent in any resolution authorizing the issuance of notes or bonds that such notes or bonds shall be treated as an obligation not described in section 103(a) of the internal revenue code or any successor provision. This section shall not be construed to covenant or consent or to authorize any covenant or consent to the application of any other provision of any other laws, federal or state, to the authority or its obligations or to the elimination or modification in any way of any other exemption, privilege, or immunity of the authority or its obligations.