1951, December, Liechtenstein instituted proceedings claiming restitution and compensation by Guatemala for acts ‘towards the person and property of Mr Friedrich Nottebohm, a citizen of Liechtenstein, contrary to IL’
Nottebohm was born in Hamburg, and was German when apply for naturalization in Liechtenstein 1939
1905 He went to Guatemala and took up residence to make business. He continued his residence there until 1943 when the events of the dispute took place.
Visiting a brother, asked for and obtained a Liechtenstein passport, with it Nottebohm visited the Consul of Guatemala in Zurich and asked for a visa in 1939. He Returned to Guatemala 1940
Liechtenstein argued that Guatemala formerly recognised the naturalisation which it now challenges and cannot put now a contention inconsistent with its former attitude. This contention was rejected because it was related to control of aliens in Guatemala and not to exercise of diplomatic protection