Freedom of contract prevails in economic relations in accordance with the laws.
Usury is forbidden. Legal practices which conflict with good morals are void.
ARTICLE 153
The right of private property is guaranteed by the Constitution. Its nature and limits are defined by law.
Expropriation may be proceeded with only for the benefit of the community and by due process of law. There shall be just compensation in so far as is not otherwise provided by national law. If there is a dispute over the amount of the compensation, there shall be a right of appeal to the ordinary courts, in so far as not otherwise provided by national law. The property of the States, municipalities, and associations of public utility may be taken by the Commonwealth only upon payment of compensation.
Property-rights imply property-duties. Exercise thereof shall at the same time serve the general welfare.
ARTICLE 154
The right of inheritance is guaranteed in accordance with the civil law.
The share of the state in inheritances is determined in accordance with the laws.