The British Overseas Territories Act 2002 conferred British citizenship on Chagossians born on the BIOT and their children in recognition of their unique status.
Rhoddodd Deddf Tiriogaethau Tramor Prydeinig 2002 ddinasyddiaeth Brydeinig i Chagosiaid a anwyd yn Nhiriogaeth Brydeinig Cefnfor India a'u plant i gydnabod eu statws unigryw.