The 2009–10 Championnat National was the 17th edition of the 3rd division league. Play commenced on 7 August 2009 and ended on 21 May 2010. Promotion and relegation Teams relegated from 2008–09 Ligue 2 18th Place: Amiens 19th Place: Reims 20th Place: Troyes Teams promoted to 2009–10 Ligue 2 Champions: Istres Runners-up: Laval 3rd Place: Arles Teams promoted from 2008–09 Championnat de France Amateurs Champions, Groupe B: Hyères 2nd Place, Groupe B: Fréjus Champions, Groupe C: Luzenac 2nd Place, Groupe C: Moulins Champions, Groupe D: Rouen 2nd Place, Groupe D: Plabennec Teams relegated to Championnat de France Amateurs 2009-10 17th Place: Niort 18th Place: Calais 19th Place: Cherbourg 20th Place: L'Entente DNCG Ruling: Libourne-Saint-Seurin DNCG Ruling: Besançon DNCG Rulings All clubs that secured Championnat National status for next season were subject to approval by the DNCG before becoming eligible to participate. Following the DNCG's annual report on clubs, on 25 June, it was announced that six clubs had been relegated from the National to lower divisions. AS Beauvais, SO Cassis Carnoux, CS Louhans-Cuiseaux, and FC Libourne Saint-Seurin were relegated to the Championnat de France Amateurs. Besançon RC, US Luzenac, and FC Rouen, who were all recently promoted, were relegated to Championnat de France Amateurs 2, while FC Sète and Calais RUFC were relegated to the Division d'Honneur. All clubs relegated were allowed to appeal the decision. Following an appeal from the aforementioned clubs, FC Rouen, AS Beauvais, and US Luzenac had their appeals overturned meaning they will remain in the Championnat National. Some clubs were, however, unsuccessful. FC Sète's appeal was upheld relegating them to the Division d'Honneur. Stade Plabennecois will replace them in the Championnat National. FC Libourne Saint-Seurin, Besançon RC, and Calais RUFC appeals were also rejected by the DNCG, however, all three clubs have decided to take their case to the CNOSF, the National Sporting Committee of France which governs sport in France. Both Calais and Besançon's rulings were determined on 23 July. The CNOSF determined that Besançon should be relegated to the CFA and not CFA 2, while Calais should respect and oblige the DNCG's ruling relegated them to CFA 2. Libourne's ruling was determined on 27 July, when the CNOSF informed the club that they should honour the DNCG's ruling and suffer relegation to the CFA. Libourne's chairman Bernard Layda responded by announcing the club will file for bankruptcy, restructure the club, and oblige the