provided by the Tournament, if any, using the specific “On-Site Conditions” Form. 

xii. Send all arrival/departure details of designated officials to the WTA at least twenty-one (21) days prior to the Tournament. 

xiii. Send information about on-site conditions such as transportation, hotel, and meals to the designated officials at least seven (7) days prior to the Tournament. 

xiv. Be familiar with all WTA electronic forms and Officiating Arena content. 

c. Chair Umpire 

The Chair Umpire shall: 

i. Ensure that the on-court rules are observed by the players, Line Umpires, and Ball Persons. He/She must control the match in all respects. He/She can be overruled by the Referee/Supervisor only in matters of interpretation of law, not in matters of fact. 

ii. Promptly and accurately score matches using the handheld or other method provided by the WTA. Be competent in using the scoring system. Track and record when balls are to be changed. 

iii. Take charge of all Line Umpires and Ball Persons when on court. 

iv. Be responsible for, in the absence of a Net Umpire or net device, the calling of net cord service lets. 

v. Ensure that play is continuous within the Rules by: 

(a) Maintaining the 90- and/or 120-second changeover, while having the authority to delay the resumption of play until the completion of the 90- and/or 120-second changeover during televised matches; 

(b) Maintaining a maximum of 25 seconds from when the ball goes out of play at the end of the point until the time the ball is struck for the first serve of the next point. If such a serve is a fault, then the second service must be struck by the server without delay; and 

(c) Observing an approved warm-up period not to exceed five (5) minutes. 

