Michigan Compiled Laws, Chapter 141. Municipal Financing § 141.1173

Sec. 13.  (1) Except as otherwise provided in this ordinance, a tax erroneously paid shall not be refunded unless a claim for refund is made within 3 years from the date the payment was made to the city or the annual return was due, including extensions thereof, whichever is later.  Upon denial of a refund, a taxpayer may follow the procedure for appeal as provided in section 14.  1

(2) A tax deficiency as finally determined and interest or penalties thereon shall be paid within 30 days after receipt of a final assessment where no appeal is made.