...production of any evidence that relates to any matter under investigation by the Commission. Such attendance of witnesses and the production of such evidence may be required from any place within the United States at any designated place of hearing within the United States. (2) The subpenas...

...deems relevant or such investigation. The attendance of witnesses and the production of documentary evidence may be required from any place in the United States, or any territory, possession, or commonwealth of the United States, at any designated place of hearing. (3) In case of...

...investigation. Any member of the commission may sign subpoenas, and members and examiners of the commission may administer oaths and affirmations, examine witnesses,...evidence. Such attendance of witnesses, and the production of such documentary evidence, may be required from any place in the United States, at any designated...

...relevant or material to the inquiry. Such attendance of witnesses and the production of such documentary evidence may be required from any place in the United States or any Territory at any designated place of hearing. INJUNCTIONS AND PROSECUTION OF OFFENSES SEC. 20. (a) Whenever it...

...any member of the Commission or any agent or agency designated by the Commission for such purpose, may administer oaths and affirmations, examine witnesses,...production of such evidence may be required from any place within the United States at any designated place of hearing. (b) The Commission, or any member of the...

...any evidence that relate* to any matter under Investigation by the Com- * ml&ilon. Such attendance of witnesses and the production of such evidence may be required from any place within the United States at any designated place of bearing » ii hin the United State*. , (2) If a...

...affirmations, examine witnesses, and receive evidence. Such attendance of witnesses and production of evidence may be required from any place in the United...possession thereof at any designated place of hearing. All subpenas may be served and returned by any one authorized by the Board in the same manner as is...

...representative thereof. Any member of the Board or any of its employees or representatives designated by it may administer oaths and affirmations, examine witnesses,...receive evidence. Such attendance of witnesses and production of evidence may be required from any place in the United States or any Territory or possession...

...relevant or material to the inquiry. Such attendance of witnesses and the production of such documentary evidence may be required from any place in the United States, or any territory, possession, or commonwealth of the United States, at any designated place of hearing. "(3) In case...

...to produce evidence. (b) Geographical Scope — Such attendance of witnesses and such production of evidence may be required from any place in the United...possession thereof, at any designated place of hearing. (c) Enforcement — In case of contumacy or refusal to obey a subpena issued to any person, any court...