Governments of the United Kingdom and the South African Republic, London Convention
“ Article XI. All grants or titles issued at any time by the Transvaal Government in respect of land outside the boundary of the South African Republic, as defined in Article I, shall be considered invalid and of no effect, except in so far as any such grant or title relates to land that falls within the boundary of the South African Republic; and all persons holding any such grant so considered invalid and of no effect will receive from the Government of the South African Republic such compensation, either in land or in money, as the Volksraad shall determine. ”
