Michigan Compiled Laws, Chapter 141. Municipal Financing § 141.634

(a) An individual may deduct alimony, separate maintenance payments and principal sums payable in installments, to the extent includable in the spouse's adjusted gross income under the federal internal revenue code but only to the extent deductible by the individual under the federal internal revenue code. A nonresident individual may deduct only that proportion of his alimony, separate maintenance or principal sums payable in installments that his income taxable under this ordinance bears to his total federal adjusted gross income.

(b) An employee or self-employed individual may deduct moving expenses to the extent provided in section 217 of the federal internal revenue code.

(c) A self-employed individual may deduct payments to a qualified retirement plan to the extent provided in section 404 of the federal internal revenue code.

(d) An individual may deduct payments to an individual retirement account established pursuant to the employee retirement income security act of 1974, 29 U.S.C. 1001 to 1381, to the extent provided in section 219 of the internal revenue code.