Clubs play each other home and away in their respective regional league with the top clubs progressing into a series of play-off matches to determine the champions.

The champions can apply for promotion to the National Division 1.

[1] The league was first played for in 1974/75 under the title Federal Division.

[2] In 2023, the Federal and National Division merged in a restructuring of the French rugby league system.

In the first part of the season teams were divided into regional pools from which they qualified for the finals stage.