Improvements financed by special assessments.

Mich. Comp. Laws § 110.16, under THE FOURTH CLASS CITY ACT.

Mich. Comp. Laws § 110.16

Sec. 16. Sections 14 and 15 of this chapter do not apply to appropriations, contracts, incurring of liabilities, expenditures and work in connection with any improvements financed by special assessments.