This article is from the Table Tennis (Ping Pong) FAQ, by ttennis@bu.edu with numerous contributions by others.
4.3.1 Referee
4.3.1.1 For each competition as a whole a referee shall be appointed and his
identity and location shall be made known to the participants and,
where appropriate, to the team captains.
4.3.1.2 The referee shall be responsible for
4.3.1.2.1 the conduct of the darw;
4.3.1.2.2 the scheduling of the matches by time and table;
4.3.1.2.3 the appointment of match officials;
4.3.1.2.4 deciding any question of interpretation of Laws or Regulations,
including the legality of clothing and other equipment;
4.3.1.2.5 deciding whether players may wear track suits during a match;
4.3.1.2.6 deciding whether play may be suspended in an emergency
4.3.1.2.7 deciding whether players may leave the playing area during a match;
4.3.1.2.8 deciding whether statutory practice periods may be extended;
4.3.1.2.9 taking disciplinary action for misbehavior or other breaches of
regulations.
4.3.1.3 Where, with the agreement of the competition management committee, any
of the duties of the referee are delegated to other persons, the
specific responsibilities and locations of each of these persons shall
be made known to the participants and, where appropriate, to the team
captains.
4.3.1.4 The referee, or a responsible deputy appointed to exercise authority
in his absence, shall be present at all times during play.
4.3.1.5 Where the referee is satisfied that it is desirable to do so he may
replace an umpire or assistant umpire at any time, but he may not
alter any decision already made by the replaced official on a question
of fact within his jurisdiction.
4.3.2 Match Officials
4.3.2.1 For each match the referee shall appoint an umpire and an assistant
umpire and, when the expedite system is in operation, a separate
stroke counter.
4.3.2.2 The umpire shall sit or stand at the side of the table, in line with
the net, and shall be responsible for
4.3.2.2.1 checking the acceptability of equipment and playing conditions and
reporting any deficiency to the referee;
4.3.2.2.2 taking a ball at random if the players are unable to agree on a
choice;
4.3.2.2.3 controlling the order of serving, receiving and ends and correcting
any errors;
4.3.2.2.4 deciding each rally as a point or a let except where the assistant
umpire has equal authority, as provided in 4.3.2.4;
4.3.2.2.5 calling the score, in accordance with the procedure set out in 4.4.1;
4.3.2.2.6 introducing the expedite system at the appropriate time;
4.3.2.2.7 maintaining the continuity of play;
4.3.2.2.8 ensuring observation of the regulations concerning advice to the
players and the behavior of players.
4.3.2.3 The assistant umpire shall sit opposite the umpire, in line with the
net, and shall be responsible for
4.3.2.3.1 timing the duration of the practice period before the start of a
match, of play during a game and of authorized intervals, except
where by agreement the umpire has taken responsibility for this
function;
4.3.2.3.2 deciding whether the ball in play touches the side of the table facing
him, the top edge of the playing surface on that side, or neither.
4.3.2.4 Either the umpire or the assistant umpire may decide
4.3.2.4.1 that a player's service action is illegal;
4.3.2.4.2 that the ball in a service which was otherwise good touches the net
assembly while passing over it;
4.3.2.4.3 that the conditions of play are disturbed in a way which could affect
the outcome of the rally.
4.3.2.5 A decision made by either the umpire or the assistant umpire in
accordance with the provisions of 4.3.2.4 may not be overruled by the
other official.
4.3.3 Appeals
4.3.3.1 No agreement between players, in an individual event, or between team
captains, in a team event, can alter a decision on a question of fact
by the responsible match official, on a question of interpretation of
Laws or Regulations by the responsible referee or on any other question
of tournament or match conduct by the responsible management committee.
4.3.3.2 No appeal may be made against a decision on a question of fact by the
responsible match official or on a question of interpretation of Laws
or Regulations by the responsible referee.
4.3.3.3 An appeal may be made to the referee against a decision of a match
official on a question of interpretation of Laws or Regulations, and
the decision of the referee shall be final.
4.3.3.4 An appeal may be made to the competition management committee against
a decision of the referee on a question of tournament or match conduct
not covered by the Laws or Regulations, and the decision of the
management committee shall be final.
4.3.3.5 In an individual event an appeal may be made only by a player
participating in the match in which the question has arisen; in a
team event an appeal may be made only by the captain of a team
participating in the match in which the question has arisen.
4.3.3.6 A question of interpretation of Laws or Regulations arising from the
decision of a referee, or a question of tournament or match conduct
arising from the decision of a competition management committee, may
be submitted by the player or team captain eligible to make an appeal,
through his parent Association, for consideration by the ITTF Rules
Committee; the Rules Committee shall give a ruling as a guide for future
decisions, and this ruling may also be made the subject of a protest by
an Association to the Council or a General Meeting, but it shall not
affect the finality of any decision already made by the responsible
referee or management committee.
 
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