All promotions are contingent on passing a postseason financial audit required for all clubs. Also, if a club above the bottom two places fails the audit, it may be relegated in the place of a club that would otherwise have been relegated. This was especially an issue in the 2015–16 season, when four clubs faced at least the prospect of relegation for financial reasons. During the season, Tarbes were dropped to Fédérale 1 effective with the 2016–17 season, and Biarritz, Bourgoin and Narbonne were also dropped at the end of the season, pending appeals. Ultimately, Biarritz, Bourgoin, and Narbonne all won their appeals and remained in Pro D2.