player to avoid unnecessary interference or unnecessary crowding during
his opponent's playing of a point. Even though the player is not
actually striking at it, the referee may call a let point. The player
interfered with wins the point.
(b) If in the opinion of a player he is entitled to a let point, he
should at once appeal to the referee whose decision shall be final,
except when judges are present, as described in Rule 11(b).
(c) A let point decision can only be made when a referee is
officiating.

11. REFEREE AND JUDGES
(a) If available a referee shall control the game in any scheduled
match. His decision is final, except when there are judges present as
described in Rule 11(b).
(b) Two judges may be appointed by the referee or tournament
committee to act on any appeal by a player to the referee's decision.
When such judges are on hand, a player may appeal any decision of the
referee directly to the judges. Only if both judges disagree with the
referee will the referee's decision be reversed. The judges shall not
make any ruling unless a player makes an appeal. The decision of the
judges shall be announced promptly by the referee.
(c) All referees must be familiar with these playing rules when
officiating in sanctioned matches.

12. GENERAL
(a) At any time between points, at the discretion of the referee a
new ball may be put in play at the request of either player.
(b) Play shall be continuous. Between the third and fourth games
there may be, at either player's request, a rest period not to exceed
five minutes. Between any other games there may be, at either player's