Bastia clinched the second division title on 1 May 2012 with three matches to spare after defeating Metz 3–0 at the Stade Armand Cesari.
Bastia will be making its return to the first division after a seven-year absence and will be entering Ligue 1 on a run of two consecutive promotions.
The negative result made it mathematically impossible for Arles to seize the 17th position in the table, which would have allowed the club to remain in Ligue 1.
Arles-Avignon made its return to Ligue 2 after only a year's spell in the top division of French football.
[18] On the final day of the Ligue 1 season, Monaco suffered relegation to the second division after losing 2–0 to Lyon.
[19] Bastia became the first team to achieve promotion to Ligue 2 from the Championnat National after drawing 1–1 with Fréjus Saint-Raphaël on 22 April.
Coupled with fourth-place Strasbourg's draw with Luzenac on the same day, the results made it mathematically impossible for the Alsatians to catch Bastia in the standings.
[24] Tours president, Frédéric Sebag, confirmed the demotion was as a result of the club's failure to "balance its books".