In Vulaj v Vulaj, the Court of Appeals held that the plaintiff-husband waived his right to challenge the arbitrator's failure to comply with the Domestic Relations Arbitration Act, MCL 600.5070.

In a published opinion, In re Hansen, the COA affirmed the termination of respondent’s parental rights despite the fact that the trial court applied a best interest standard that was replaced by legislation effective in July 2008.