3.05.01.01 In a team event, players may receive advice from anyone authorised to be at the playing area.
3.05.01.02 In an individual event, a player or pair may receive advice only from one person, designated beforehand to the umpire, except that where the players of a doubles pair are from different Associations each may designate an adviser, but with regard to 3.5.1 and 3.5.2 these two advisors shall be treated as a unit; if an unauthorised person gives advice the umpire shall hold up a red card and send him or her away from the playing area.