8. The committee shall have absolute power to refuse or return any entry up to the time of starting, without being bound to assign a reason. 9. The captain or secretary of each club or crew entered shall, at least three clear days before the day of the regatta, deliver to the secretary of the regatta a list containing the names of the actual crew appointed to compete, to which list the names of not more than four other members for an eight-oar and two for a four-oar may be added as substitutes; provided that no person may be substituted for another who has already rowed a heat. 10. The secretary of the regatta, after receiving the list of the crews entered, and of the substitutes, shall, if required, furnish a copy of the same with the names, real and assumed, to the captain or secretary of each club, or in the case of pairs or scullers to each competitor entered. 11. The committee shall appoint one or more umpires, to act under the Laws of Boat Racing. 12. The committee shall appoint one or more judges, whose decision as to the order in which the boats pass the post shall be final. 13. Objections to the qualification of a competitor should be made in writing to the secretary of the regatta at the earliest moment practicable. No protest shall be entertained unless lodged before the prizes are distributed. 14. Every competitor must wear complete clothing from the shoulders to the knees--including a sleeved jersey. 15. In the event of there being but one crew or competitor entered for any prize, or if more than one enter and all withdraw but one, the sole competitor must row over the course to become entitled to such prize. 16. Boats shall be held to have completed the course when their bows reach the winning post. 17. The whole course must be completed by a competitor before he can be held to have won a trial or final heat. 18. In the event of a dead heat any competitor refusing to row again, as may be directed by the committee, shall be adjudged to have lost. 19. A junior oarsman is one (A) who has never won any race at a regatta other than a school race, a race in which the construction of the boats was restricted, or a race limited to numbers of one club; (B) who has never been a competitor in any International or Inter-University match. A junior sculler is one (A) who has never won any sculling race at a regatta other than a race in which the construction of the boats was restricted, or a race limited to members of one club; (B) who has never competed for the Diamond Sculls at Henley, or for the Amateur Championship of any country. N.B.--The qualification shall in every case relate to the day of the regatta. 20. All questions not specially provided for shall be decided by the committee.