Clarifying certain provisions relating to motor vehicle forfeiture for driving while under the influence of alcohol or controlled substance (DWI); clarifying the definitions of designated license revocation and owner and defining security interest; authorizing forfeiture of encumbered or leased vehicles for knowledge of unlawful use including knowledge of revoked driving privileges; requiring administrative forfeiture notices to identify the prosecuting agency with jurisdiction over the forfeiture; notice to the address shown in department of public safety records to be sufficient notice to security interest holders; modifying the notice form for clarity purposes; clarifying and modifying certain provisions providing for judicial determination of forfeitures, prohibiting the district court from referring actions to arbitration; creating a rebuttable presumption of vehicle ownership; authorizing commissioner of public safety rules for forms for notices of seizure and intent to forfeit and for transferring titles of forfeited vehicles (mk)