Mich. Comp. Laws § 490.59: Effect of unrebutted presumptions; transfers, effect.

Sec. 9.

Where not rebutted by clear and convincing evidence, the presumptions provided in this act are effective to establish beneficial ownership. Any transfers resulting from the application of these presumptions are effective by reason of the account contracts involved in this act and are not to be considered as testamentary or subject to the probate code.