1 a) To promulgate rules and regulations governing the hearing and disposition 2 of cases before it, as well as those pertaining to its internal functions, and 3 such rules and regulations as may be necessary to carry out its functions; 4 b) To administer oaths, summon the parties to a controversy, issue 5 subpoenas requiring the attendance and testimony of witnesses or the 6 production of such books, papers, contracts, records, statement of 7 accounts, agreements, and other documents as may be material to a just 8 determination of the matter under investigation, and to testify in any 9 investigation or hearing conducted in pursuance of this Act; 10 11 c) To conduct hearings on all matters within its jurisdiction, proceed to hear and determine the disputes in the absence of any party thereto who has 12 been summoned or served with notice to appear, conduct its proceedings 13 or any part thereof in public or in private, adjourn its hearings at any time 14 and place, refer technical matters or accounts to an expert and to accept 15 his report as evidence after hearing of the parties upon due notice, direct 16 parties to be joined in or excluded from the proceedings, correct, amend, 17 or waive any error, defect or irregularity, whether in substance or in form, 18 give all such directions as it may deem necessary or expedient in the 19 determination of the dispute before it, and dismiss the mining dispute as 20 part thereof, where it is trivial or where further proceedings by the Board 21 are not necessary or desirable: 22 23 d) To hold any person in contempt, directly or indirectly, and impose appropriate penalties therefor; and 24 e) To enjoin any or all acts involving or arising from any case pending before 25 it which, if not restrained forthwith, may cause grave or irreparable 26 damage to any of the parties to the case or seriously affect social and 27 economic stability. 28 In any proceeding before the Board, the rules of evidence prevailing in courts of law or 29 equity shall not be controlling and it is the spirit and intention of this Act that shall 30 govern. The Board shall use every and all reasonable means to ascertain the facts in 31 each case speedily and objectively and without regard to technicalities of law or 32 procedure, all in the interest of due process and social justice. In any proceeding before 33 the Board, the parties may be represented by legal counsel. The findings of fact of the 34 Board shall be conclusive and binding on the parties and its decision or order shall be 35 final and executory. 36 A petition for review by certiorari and question of law may be filed by the aggrieved 42