STANDARDS SECTION XVIII - TOURNAMENT STANDARDS OF PERFORMANCE c.  A player can change her designated on-court coach during the week but  can only designate one (1) on-court coach per match, unless the match  is suspended and the originally designated coach is unavailable when  the match resumes (same or different day), in which case the player can  designate a different coach.  d. To be eligible as an on-court coach, the coach must (i) complete and  sign a Player Support Team form (one time only); and (ii) sign-in with the  on-site WTA office before the start of the match.  a. On-court coaches are subject to Code of Conduct, including the  provisions relating to player on-court behavior (see Section XVII.D.4). b.  On-court coaches should dress and present themselves in a professional  manner. They must wear appropriate and clean tennis attire. Whether  a coach is dressed professionally shall be at the sole discretion of the  Supervisor and Referee and shall not be appealable. If a coach is asked  to change and fails to do so, it shall result in his/her on-court coaching  privileges being removed for that match. c. Microphones 2.  On-Court Coaches  On World Feed Courts, on-court coaches shall wear a microphone to  capture their on-court coaching and conversations with their players,  which may be used for television broadcasts.  i.  On-court coaches must be available in the Players Lounge fifteen  (15) minutes prior to the match for the microphone to be fitted. No  coach will be allowed on a World Feed Court court if he/she is not  wearing a microphone.  ii.  If an on-court coach is not wearing the microphone on his or her  clothing appropriately (e.g., as fitted prior to the match) or has his  or her microphone switched off or otherwise obstructed during the  on-court coaching time-out: (a) the on-court coach will not be allowed to participate in on-court  coaching for the remainder of that Tournament and for the  following WTA Tournament at which he or she coaches any  player(s); and (b) each player who designated the on-court coach as her coach  for the Tournament at which the violation occurred will not be  371