The protracted refugee situation in Tanzania concerns the Burundian refugees, who arrived in 1972 and the Evaluation covers the implementation of the Tanzania Comprehensive Solutions Strategy (TANCOSS) for this group of refugees. The strategy includes, voluntary repatriation and reintegration in Burundi (Pillar 1), naturalisation i.e. granting of Tanzanian citizenship (Pillar 2) and full integration, i.e. relocation and local integration of the newly naturalised citizens (Pillar 3).