sentences:  Its modern short form is called "condictio ob rem".It has been used in several cases of post-socialist economies of Eastern Europe where the state was selling state owned property to "nouveaux riches" with an explicit request for the property (usually factories, but also land and other) to be brought for a specific purpose.As such requests were as a rule "not" fulfilled, in some (but by far not all) cases the public pressure has forced the governments to act upon the initial contract and claim back the property, paying the buyer who had failed to carry out his or her part of the agreement partial (or rarely full) restitution for his or her payment according to the first contract.