Decisions (Motor carrier). Motor carrier insurance. Ex parte no. MC-5, motor carrier insurance for protection of the public, in matter of security for protection of the public as provided in interstate commerce act, pt. 2, and of rules and regulations governing filing and approval of surety bonds, policies of insurance, qualifications as self-insurer, or other securities and agreements by motor carriers and brokers subject to interstate commerce act, pt. 2; decided Apr. 18, 1944.