UCI CYCLING REGULATIONS  If there is a difference of one second or more between the back of the back wheel of the  last rider in a group and the front of the front wheel of the first rider of the following group,  the timekeeper-commissaires shall give a new time taken on the first rider of this group.  Any difference of one second or more (back wheel – front wheel) between riders implies  a new time.  (text modified on 01.01.05; 01.01.09)  Classification  1.2.108 Unless otherwise stated, each rider shall, in order to be classified, complete the race  entirely through his own effort, without the assistance of any other person.  1.2.109 The rider may cross the finish line on foot, provided that has his bicycle with him.  1.2.110 The finishing order, the number of points won and the number of laps ridden shall be  recorded by the finish line-commissaire. If need be, the classification shall be established  using the technical resources available.  1.2.111 Without prejudice to any changes resulting from the application of the regulations by the  competent bodies, the classification of the race may be corrected by the organiser's  national federation within 30 days of the end of the race in the event of material errors in  the recording of the riders' finishing order.  1.2.112 All riders concerned shall, in accordance with their placing, classifications and  performances, participate in official ceremonies such as the presentation of jerseys,  bouquets or medals, laps of honour, press conference and the like.  1.2.113 Unless otherwise stated, riders shall appear at official ceremonies wearing competition  clothing. (text modified on 15.10.04; 01.01.13; 01.01.15; 01.01.17)  For road events riders shall appear at official ceremonies no later than 10 minutes after  their arrival, unless under exceptional circumstances. Whenever two races on the international calendar are organised on the same day and  in the same location, the organiser may hold the official ceremony jointly for both races.  The ceremony for the first race shall however be held no more than two hours after the  finish.  ( text modified on 01.01.98; 01.01.05)  The organiser's national federation shall notify the organiser and all riders involved of  any such correction, if necessary through their team. For races on the international  calendar, it shall also notify the UCI. The organiser's national federation shall also ensure  that any issues resulting from the correction of the classification shall be resolved  correctly.  (text modified on 01.01.05)  (text modified on 01.01.05)  § 8  Awards ceremony  E0221  GENERAL ORGANISATION OF CYCLING AS A SPORT  43 