Michigan Compiled Laws, Chapter 46. County Boards of Commissioners § 46.16h

Sec. 16h. (1) Bonded indebtedness and a pledge of full faith and credit or limited full faith and credit by a former township consolidated as provided in sections 16b and 16c  1 continue as obligations of the consolidated township and of the taxable territory of the former township that contracted the indebtedness or made the pledge. A special assessment district of a former township continues in full force and effect as a special assessment district of the consolidated township.

(2) The millage levy for a township consolidated as provided in sections 16b and 16c may be billed and becomes a lien on December 1 following the effective date of the consolidation.