MI HB4640

Adds "transportation network company vehicle" as a category of vehicle where passengers are not automatically entitled to personal protection insurance benefits under their own policy, instead receiving benefits from the vehicle's insurer.

Defines "transportation network company vehicle" as a personal vehicle while the driver is logged into a transportation network company digital network or engaged in a prearranged ride.

Establishes priority order for personal protection insurance claims in motorcycle accidents involving motor vehicles, with the motor vehicle owner/registrant's insurer having first priority.

Allows partial recoupment among multiple insurers in the same priority level to ensure equitable distribution of losses when two or more insurers share equal priority status.

Takes effect 90 days after enactment (March 21, 2017), contingent on simultaneous enactment of House Bills 4637, 4639, 4641 and Senate Bill 392.