UCI CYCLING REGULATIONS  1.3.034 During competitions, riders' attendants may not bear any advertising matter on their  clothing other than that authorised for their team's riders for the race in question.  1.3.036 Provisions for permanent change during the season  Any permanent change to clothing must be duly justified and submitted for approval to  the UCI at least 30 days before the expected date of coming into effect. The UCI will  provide the team with an answer no later than 15 days prior to the expected date of  coming into effect. 1.3.037 Riders' clothing shall always be identical to the specimen lodged.  1.3.038 The name, company logo or trade mark of the principal partner shall be preponderant  (thicker characters) and placed in the upper part of the jersey, both on the front and the  back.  1.3.039 The order in which the two principal partners appear on the jersey may be inverted from  one race to another during the calendar year.  1.3.040 [article abrogated on 01.01.98]  If there are two principal partners registered with the UCI, at least one of them shall  appear as mentioned above.  (text modified on 01.01.99)  (text modified on 01.01.00; 01.01.04; 01.01.05; 01.10.11; 01.01.15; 25.10.17)  Provisions for a temporary change during the season  Each Road team may use different clothing for one full event each year. The clothing  must be submitted for approval to the UCI, at least 60 days before the start date of the  event in question. The application may be rejected for reasons considered valid. The UCI  will provide the team with an answer no later than 30 days prior to the start date of the  event in question. Applications either for a permanent or temporary change will be considered in the order  in which they are received by the UCI.  However, these provisions do not apply to the clothing of National Champions and  Continental Champions; the modifications of which are subject to approval from  respectively, national federations and continental confederation.  Advertising matter  § 2  Teams registered with the UCI  General observations  (text modified on 01.01.00; 01.01.05; 01.10.09; 01.01.15; 03.06.16; 25.10.17)  E0221  GENERAL ORGANISATION OF CYCLING AS A SPORT  74  1.3.035  Each team may have only a single design for clothing - colours and layout - which may  not be altered for the duration of the calendar year.  UCI WorldTeams and UCI professional continental teams must submit for approval,  before production, their clothing to UCI no later than December 1st before the year in  question. Other teams shall submit for approval their clothing to the national federation  of the team at the moment of the team registration no later than December 10$^{th}$ before  the year in question. 