Art. 4. No person shall be prevented from engaging in any profession, industrial or commercial pursuit or occupation of his liking, provided it be lawful. The exercise of this liberty shall only be forbidden by judicial order when the rights of third persons are infringed, or by executive order, issued under the conditions prescribed by law, when the rights of society are violated. No one shall be deprived of the fruit of his labor except by judicial decree.
Each State shall determine by law what professions shall require licenses, the requisites to be complied with in obtaining the same, and the authorities empowered to issue them.
Art. 5. No one shall be compelled to render personal services without due compensation and without his full consent, excepting labor imposed as a penalty by judicial decree, which shall conform to the provisions of clauses I and II of Article 123.
Only the following public services shall be obligatory, subject to the conditions set forth in the respective laws: military service, jury service, service in municipal and other public elective office, whether this election be direct or indirect, and service in connection with elections, which shall be obligatory and without compensation.
The State shall not permit any contract, covenant or agreement to be carried out having for its object the abridgment, loss or irrevocable sacri-
