Decisions (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 motor carrier act, 1935, 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 motor carrier act, 1935; [decided Mar. 25, 1940.]