pooling of freights, etc., requiring schedules of rates to be published, establishing a commission to carry out the measures enacted, and preacribing the powers and duties of such commission and the procedure before it—Interstate commerce co sion. A commission created by the interstate commerce act (q. v.) to carry out the measures therein enacted, composed of five persons, appointed by the President, empowered to inquire into the business of the carriers affected, to enforce the law, to receive, investigate, and determine complaints made to them of any violation of the act, make annual reports, hold stated sessions, etc.—Interstate extradi-~ tion. The reclamation and surrender, according to due legal proceedings, of a person who, having committed a crime in one of the states of the Union, has fled into another state to evade justice or escape prosecution.—Interstate law. That branch of private international law which affords rules and principles for the determination of controversies between citizens of different states in respect to mutual rights or obligations, in so far as the same are