STANDARDS SECTION XVIII - TOURNAMENT STANDARDS OF PERFORMANCE no graphics or insertions with the exception of the WTA transition  wipe. ii.  The WTA (and anyone acting under its authority) shall have the  right to incorporate into the Clean Feed, for purposes of creating  the World Feed and Outside Court Feed delivered to viewers, the  WTA Logo, logos of one or more of its licensees’ billboards, graphics,  and other audio and visual elements consistent with professional  tennis television programming, provided that no incorporation of  the WTA Logo or other element containing any reference to a WTA  sponsor shall be made in a manner that appears to the public that  such WTA sponsor is a sponsor of the Tournament, provided further,  however, that no such incorporation shall be permitted for any WTA  sponsor if such use would be contrary to any contractual restrictions  imposed on the Tournament by its Title or Presenting Sponsor (such  restrictions must be made known to WTA in writing). iii.  The Clean Feed will contain all commercial identification visible at a  Tournament’s site. A Tournament shall be entitled to place on site  any and all logos, sponsor credits, advertising, signage, and other  commercial identification and the WTA shall not be entitled to any  revenues on the sale of such logos, sponsor credits, advertising,  signage, and other commercial identification. iv.  Neither the WTA nor any of its licensees shall utilize or permit the  utilization of Virtual Advertising into the Clean Feed without the  approval of the majority of the Media Pool Tournaments. f.  Match Start Times i.  A specific start time, or an appropriate not before time, must be  designated for all quarterfinal, semifinal, and final Matches. In the  event that two (2) quarterfinal or semifinal Matches are scheduled to  run back-to-back, a specific start time, or not before time, must only  be specified for the first Match. ii.  A not before time must be specified if a doubles semifinal or final  Match will precede a Match and at combined events where an  ATP match precedes a Match. Unless otherwise approved by the  Supervisor, a minimum of two hours (2:00) should be allowed for  each preceding match before scheduling the not before time for a  regular Match and a minimum of two and a half hours (2:30) should  be allowed for each preceding Match before scheduling a not before  time for a singles semifinal or final. 388