" (a) Every horse shall be run on its merits. (b) The rider of every horse shall take all reasonable and permissible measures, throughout the race to ensure that his horse is given full opportunity to win or to obtain the best possible place in the field. (c) Any person who in the opinion of the Stewards has breached, or was a party to breaching, any portion of this Rule may be punished, and the horse concerned may be disqualified."
"2. Any person who takes part in any matter coming within these Rules thereby agrees with each and every Principal Club to be bound by them.
"4. Any act done or decision made by a Committee of a Club or by Stewards in the exercise or intended exercise of any right power or authority conferred by or under any of the Rules shall except where otherwise provided in the Rules be final and, conclusive,
"7. The Committee of a Principal Club shall have the control and general supervision of racing within its territory. Such Com mittee, in furtherance and not in limitation of all powers conferred on it or implied by these Rules, shall have power, in its discretion:- (a) to hear and decide appeals as provided for in its Rules or by law.
"8. To assist in the control of racing, Stewards shall be appointed according to the Rules of the respective Principal Clubs, with the following powers:- (e) To punish any person committing a breach of the Rules, .......
"175. The Committee of any Club or the Stewards may punish:
"199. Every person aggrieved by any punishment imposed by the Committee of a Club or an Association or by the Stewards may subject to the Rules appeal to the Committee.
"70. (a) Any person appealing to the Committee of the Australian Jockey Club shall within seven days after the decision appealed against has been given, lodge with the Committee of Stewards from whose decision he desires to appeal a notice in writing stating the grounds on which he intends to appeal.
"71. Subject to the provisions of the Australian Jockey Club Act, the Committee of the Australian Jockey Club may on the hearing of the appeal:- (a) Remit the matter in dispute to be reopened or reheard by the Committee of the Club or Association or Stewards from whose decision the appeal is brought;
" 72. Subject as aforesaid the Committee may at its discretion allow the appellant to be represented by counsel on the hearing of any appeal and in any case may have counsel present to assist the Committee.
"73. Subject as aforesaid no fresh evidence shall be adduced on the hearing of any appeal to the said Committee except by leave of the Committee.
"32. (1) In any of the following cases, that is to say:- (a) where the stewards of the Australian Jockey Club or the com mittee or stewards of any other club or race meeting registered by the Australian Jockey Club under the Rules of Racing of the Australian Jockey Club have- (i) disqualified or warned of! any person,