Nine teams have already secured promotion from the third division to the second division B, winning through the play-offs between the eighteen regional group champions. These were as follows:
Arandina, Ebro, Jumilla, Linares Deportivo, Mensajero, Mérida, Peña Sport, Rayo Majadahonda, Talavera de la Reina.
The remaining nine spots will be decided after a knock-out stage which finishes towards the end of June. (01.06.15)
The following teams qualified after the second knock-out stage: Algeciras, Arenas, Gernika, Izarra, Atlético Levante, Llosetense, Pobla Mafumet, Pontevedra, Portugalete. (28.06.15)