Mich. Comp. Laws § 211.686: Failure to file or record state tax lien.

Sec. 6.

A state tax lien not filed or recorded pursuant to this act shall be void against any mortgagee, pledgee, purchaser (including land contract purchaser) or judgment creditor who secured any interest in the property subject to the lien prior to the time such notice of lien was filed or recorded, as provided for in this act.