61 STAT.] 80TH CONG. , IST SESS.--CH. 120 -JUNE 23, 1947 respect to questions of fact if supported by substantial evidence on the record considered as a whole shall in like manner be conclusive. "(g) The commencement of proceedings under subsection (e) or (f) of this section shall not, unless specifically ordered by the court, operate as a stay of the Board's order. "(h) When granting appropriate temporary relief or a restraining order, or making and entering a decree enforcing, modifying, and enforcing as so modified, or setting aside in whole or in part an order on the Board, as provided in this section, the jurisdiction of courts sitting in equity shall not be limited by the Act entitled 'An Act to amend the Judicial Code and to define and limit the jurisdiction of courts sitting in equity, and for other purposes', approved March 23, 1932 (U. S. C., Supp. VII, title 29, secs. 101-115). "(i) Petitions filed under this Act shall be heard expeditiously, and if possible within ten days after they have been docketed. "(j) The Board shall have power, upon issuance of a complaint as provided in subsection (b) charging that any person has engaged in or is engaging in an unfair labor practice, to petition any district court of the United States (including the Distrct Court of the United States for the District of Columbia), within any district wherein the unfair labor practice in question is alleged to have occurred or wherein such person resides or transacts business, for appropriate temporary relief or restraining order. Upon the filing of any such petition the court shall cause notice thereof to be served upon such person, and thereupon shall have jurisdiction to grant to the Board such temporary relief or restraining order as it deems just and proper. "(k) Whenever it is charged that any person has engaged in an unfair labor practice within the meaning of paragraph (4) (D) of section 8 (b), the Board is empowered and directed to hear and deter- mine the dispute out of which such unfair labor practice shall have arisen, unless, within ten days after notice that such charge has been filed, the parties to such dispute submit to the Board satisfactory evidence that they have adjusted, or agreed upon methods for the voluntary adjustment of, the dispute. Upon compliance by the parties to the dispute with the decision of the Board or upon such voluntary adjustment of the dispute, such charge shall be dismissed. '(1) Whenever it is charged that any person has engaged in an unfair labor practice within the meaning of paragraph (4) (A), (B), or (C) of section 8 (b), the preliminary investigation of such charge shall be made forthwith and given priority over all other cases except cases of like character in the office where it is filed or to which it is referred. If, after such investigation, the officer or regional attorney to whom the matter may be referred has reasonable cause to believe such charge is true and that a complaint should issue, he shall, on behalf of the Board, petition any district court of the United States (includ- ing the District Court of the United States for the District of Colum- bia) within any district where the unfair labor practice in question has occurred, is alleged to have occurred, or wherein such person resides or transacts business, for appropriate injunctive relief pending the final adjudication of the Board with respect to such matter. Upon the filing of any such petition the district court shall have jurisdiction to grant such injunctive relief or temporary restraining order as it deems just and proper, notwithstanding any other provision of law: Providedfurther, That no temporary restraining order shall be issued without notice unless a petition alleges that substantial and irreparable injury to the charging party will be unavoidable and such temporary restraining order shall be effective for no longer than five days and will become void at the expiration of such period. Upon filing of any such petition the courts shall cause notice thereof to be served upon any person involved in the charge and such person, including the charging 149 47 Stat. 70. 29U. . c. §§101- 115. Petition to court for temporary relief, etc. Power of Board to determine dispute. Preliminary investi- gation of charge. Petition for injuno. tive relief.