UCI CYCLING REGULATIONS  2.2.028  The race director or his representative able to take decisions takes place next to the bis  president of the commissaires’ panel in the car driving immediately behind the peloton.  2.2.029 In case of an exceptional accident or incident that could impinge upon the normal  conduct of a race in general or a particular stage thereof, the race director may, after  obtaining the agreement of the commissaires' panel and having informed the  timekeepers, at any moment, decide:  -  to modify the course;  -  to temporarily neutralise the race or stage;  -  to stop a race or a stage and restart the race or stage;  -  to definitively stop the race or stage;  -  to cancel a race or a stage.  (article introduced on 1.01.18).  Race incidents  The president of the commissaires’ panel, after consulting the organiser, may take the  following sporting decisions:  -  cancel or let the results stand in case the race is temporarily neutralised or  stopped, taking account of the gaps recorded at the moment of the incident;  -  cancel or let the results stand of an intermediate sprint, mountain sprint or any  classifications;  -  declare a stage or a race null and void,  If necessary, the commissaires' panel may consult the technical delegate appointed to  UCI WorldTour events by the UCI to reach a decision. (text modified on 1.01.15; 1.01.18; 8.02.21)  2.2.029 The protocol shall be applied in men’s events of the UCI WorldTour and UCI ProSeries bis  as well as in women’s events of the UCI Women’s WorldTour and UCI ProSeries in order  to prevent and avoid incidents or problems relating to extreme weather conditions or  riders’ safety during events. All other road events are equally recommended to refer to  the procedures set out in the protocol when appropriate.  Protocol for discussions regarding extreme weather and the riders’ safety during  events The protocol for discussions regarding extreme weather and the riders’ safety during  events is appended to this section (Annex B).  (article introduced on 1.01.16; 23.10.19; 11.02.20).  2.2.030 A rider dropping out of the race shall immediately remove his body number and hand it  in to a commissaire or to the broom wagon. He may not cross the finish line.  2.2.031 Any vehicle having access to the race course shall bear a distinctive sign.  Drop-out  Vehicles  Unless he is injured or feels seriously sick, he must travel in the broom wagon.  E170421  ROAD RACES  22 