It was first created by Polisario Front members and Sahrawi tribal notables as the Provisionary National Council in April or November 1975, after the proclamation of Guelta Zemmur.
The usual tactic of the Polisario guerrillas consisted in raids (sometimes of hundreds of km) on military objectives like Moroccan military posts on Tarfaya, Amgala or Guelta Zemmur, or economic objectives, as the Bou Craa phosphate conveyor belt, the Zouerat iron mines and the Mauritania Railway.