ID H0584

Defines "underinsured motor vehicle" as a self-insured vehicle or one covered by liability insurance or indemnity bond with bodily injury/death limits at least equal to those in Idaho Code section 49-117.

Establishes underinsured motor vehicle coverage as excess coverage that cannot be reduced by amounts paid by the tortfeasor's coverage or other coverage sources.

Limits recovery under underinsured motorist policies to the lesser of the tortfeasor's total legal liability or the applicable underinsured coverage limits.

Prohibits policyholders from stacking or aggregating coverage limits from multiple vehicles under the same underinsured policy to increase recovery amounts.

Takes effect January 1, 2017, and applies to all motor vehicle liability insurance policies written or renewed on or after that date.