Règle correspondante
Practice Relating to Rule 133. Property Rights of Displaced Persons
Section B. Transfer of property under duress
In 1992, during a debate in the UN Security Council on Bosnia and Herzegovina, Austria emphasized that where persons were forced to sign statements renouncing their property rights, there could be no doubt that such documents were null and void. 
Austria, Statement before the UN Security Council, UN Doc. S/PV.3106, 13 August 1992, p. 23.