Mayo v. National Farmers Union Property & Casualty Co.

We granted certiorari to determine whether section 10 — 4—418(2)(b), 4A C.R.S. (1987), which authorizes household exclusion clauses in automobile liability insurance policies, violates the equal protection clauses of the United States and Colorado Constitutions. In general, a household exclusion clause excludes coverage for claims asserted by a member of a household against another member of the same household. See id. After an automobile accident, National Farmers Union Property and Casualty Company (National) brought a declaratory judgment action against its insureds, Clarence W. Mayo and…