Each team is permitted the use of two motorcycles with the possibility of changing machines between races. The FIM does not permit radio communication between riders and their teams. Outside assistance during the race on the course is not permitted unless it is through race marshals in the interest of safety. Limited repairs in the designated repair zone during the race are permitted. The first twenty teams of each race score competition points. The point system for the 2012 season is as follows: In 2012 prize money was awarded to all rider scoring points, with €300 going to each race winner, €250 to the runners-up, gradually declining from there, with €50 going to all teams placed 12th to 20th. Additionally, every team qualified for the race plus the two reserve teams receive €500 in travel compensation. At the end of the 2012 season a number of long-term competitors retired from the competition, the most successful of those being Belgian Joris Hendrickx, World Champion in 2009 and active since 2003, German Marko Happich, runners-up in 2004 and active since 1996, and Belgian passenger Sven Verbrugge, World Champion in 2005, 2006 and 2011 and active since 1993. The official calendar for the 2012 season:   The top ten teams in the final overall standings were:   Parallel to the riders championship, a manufacturers competition was also held. In every race, only the best-placed rider of every make was awarded points in this competition. The final standings in the manufacturers competition were: