All clubs that secured Ligue 2 status for the season were subject to approval by the DNCG before becoming eligible to participate.
The first team to officially join the division for the 2015–16 was Lens, who were relegated from Ligue 1 on 2 May 2015 as results on the day went against them.
[3] Red Star were the first team promoted from National, after a 4–0 victory against Istres on 8 May 2015, marking their return to the professional levels after sixteen years in the amateur leagues.
[4] Paris FC and Bourg-Péronnas only gained the right to promote on the last day of the season, when Paris FC drew 0–0 against CA Bastia and Bourg-Péronnas won 1–0 against Boulogne.
[5] Only 2 teams were planned to be promoted and relegated this season[6] but the decision was later overturned by an appeal to the Conseil d'État[7] and the French Football Federation.