UCI CYCLING REGULATIONS  2.15.189 The event owner must organise the event according to the usual existing standards as  imposed by the UCI and in accordance with the terms of reference for organisers of  UCI WorldTour events.  2.15.190 UCI WorldTour events must accept the participation of all UCI WorldTeams.  2.15.191 All events registered on the UCI WorldTour calendar for the first time in 2017 and  thereafter shall be obliged to invite all UCI WorldTeams to take part in their event. UCI  WorldTeams must be invited for the following season no later than 10$^{th}$ December and  UCI WorldTeams shall respond within 60 days of receipt of the invitation. Such invitation  and response shall in any case comply with the deadlines stipulated article 1.2.049.  2.15.192 [article abrogated on 11.02.20]. 2.15.193 [article abrogated on 8.02.21]. 2.15.194 UCI WorldTour events shall accept the principle of financial transparency by  spontaneously and fully informing the Professional Cycling Council and providing all  necessary documents and information in the following cases:  1.  if the event owner has or anticipates any financial difficulties including the failure  to pay a debt on the due date, insolvency or risk of insolvency, any significant  changes in the annual budget, the cashflow plan or the financial planning;  2.  if there arises a risk, a dispute, or any other circumstance likely to endanger the  financial stability of the event owner, the actual organiser or any other  intermediary involved;  3.  in the event of the failure to meet, for any reason whatsoever, any obligation of  the event owner to a third party creditor.  (text modified on 12.01.17).  Financial transparency  (article introduced on 12.01.17; modified on 25.10.17).  The obligations of UCI WorldTeams with respect to participation in these events is set  out in article 2.15.127 ff.  The events shall only invite other teams within the number of places available after  receipt of responses from the UCI WorldTeams to the above-mentioned invitation.  The registration of such event on the UCI WorldTour calendar may be withdrawn by the  Professional Cycling Council in case of breach of the obligation to invite all UCI  WorldTeams.  (text modified on 12.01.17).  (text modified on 1.01.15; 12.01.17).  In accordance with article 2.15.127, the UCI WorldTeams have a duty to participate in  all the UCI WorldTour events registered on the UCI WorldTour calendar in 2016.  Participation of UCI WorldTeams  E170421  ROAD RACES  238 