Legal status of expropriation of government agencies after the abolition of the project

Expropriation of government agencies for the implementation of public programs takes place according to special rules and the exercise of special powers and only if there is a urban project. According to the current rules and case law , If the acquisition had taken place with the conclusion of the agreement , abolition of the scheme, will have no effect on it and otherwise, the expropriation will be voidable. But the first part of this position is not consistent with the principles of administrative law. Because the transfer of ownership of immovable property to government agencies is an unilateral administrative act and not a contract. therefore, this administrative action will be voidable In the courts , in the case of the abolition of the project .