The State, with the participation of the Decentralized Territorial Collectivities, guarantees the right of intellectual property. Article 27- Work and professional training are, for all citizens, a right and a duty. Access to the public functions is open to all citizens without other conditions that those of capacity and aptitude. Nevertheless, the recruitment in the public function may be accompanied by contingencies per circumscription for a time period for which the duration and the modalities will be determined by the law. Article 28- No one may be prejudiced in their work or in their employment for reason of gender, of age, of religion, of opinions, of origins, of belonging to a trade-union or of political convictions. Article 29- Every citizen has the right to a fair remuneration for their work assuring them, as well as their family, an existence in conformity with human dignity. Article 30- The State makes an effort to overcome the needs of every citizen who, for reason of their age or their physical or mental incompetence, find themselves in an incapacity to work, notably through the intervention of institutions or organs with a social character. Article 31- The State recognizes the right of every worker to defend their interests through syndical action and in particular through the freedom to form a trade-union. The affiliation to a trade-union is free. Article 32- Every worker has the right to participate, notably by the intermediary of their delegates, to the determination of the rules and of the conditions of work. Article 33- The right to strike is recognized, without it being possible to infringe the continuity of the public service or the fundamental interests of the Nation. The other conditions for exercising this right are established by the law. Article 34- The State guarantees the right to individual property. No one may be deprived of it except by way of expropriation for cause of public utility and subject to a fair and prior indemnification. The State assures the facility of access to land property through the appropriate juridical and institutional provisions and a transparent administration of the information concerning land. Article 35- The State facilitates the access of the citizens to housing through appropriate financing mechanisms. Article 36- The participation of each citizen in the public expenditures must be progressive and calculated as a function of their contributive capacity. Article 37- The State guarantees the freedom of enterprise within the limit of the respect for the general interest, the public order, morality and the environment. d