On November 30, 1959, Ernest Fisk of the American embassy in Kathmandu delineated the Nepalese government's regulations on any mountaineer's interactions with the yeti.

From the Records of the Agency for International Development, this copy of a Foreign Service Despatch from the American Embassy in Kathmandu, Nepal, summarizes the Nepalese Government's regulations concerning any proposed mountain ...climbing expeditions in search of "YETI."