House Bill 6437 Summary

• Assessors must classify all assessable property by the first Monday in March each year and report valuations and classifications to the county equalization department and state tax commission.

• When an assessor changes a property's classification from the prior tax year, the change applies prospectively only; prior tax rolls cannot be amended and no amended tax bills may be issued.

• The Department of Treasury cannot change property classifications directly but may appeal classifications to the Michigan Tax Tribunal's small claims division by December 31 of the tax year, with the same prospective-only rule applying to any tribunal-ordered changes.

• Property owners may dispute classifications by notifying the assessor and protesting to the March board of review, with appeal rights to the state tax commission by June 30; the state tax commission's determination is final and binding for that tax year.

• Assessors must maintain separate assessment rolls for property subject to payment in lieu of taxes under natural resources law, which must be combined with regular rolls only for calculating constitutional debt limitations.