The plenipotentiaries of the high powers who signed the treaty, Convention between Great Britain… (1914)
“ Recognising the special interest of Great Britain, in virtue of the geographical position of Tibet, in the existence of an effective Tibetan Government, and in the maintenance of peace and order in the neighbourhood of the frontiers of India and adjoining States, the Government of China engages, except as provided in Article 4 of this Convention, not to send troops into Outer Tibet, nor to station civil or military officers, nor to establish Chinese colonies in the country. ”
