The owner of the soil is bound to cultivate and make use of his land, in the common interest. Increment value due to no expenditure of work or of capital shall be utilised for the common good.
All riches of the soil and all natural resources of economic use shall be under the supervision of the State. Private royalties shall, by law, be transferred to the State.
Article 156.
An act of the Realm may without prejudice to the payment of compensation, and subject to the regulations concerning expropriation, transfer to public ownership private businesses suitable for socialisation. It may name itself, the Lands, or Local Authority as partners in the administration of such business undertakings or associations, or in any other way assure itself a predominant influence therein.
The Realm may further legislate, in case of urgent necessity and in the interest of the national economy, to oblige business undertakings or associations to combine, on the basis of self administration, with a view to securing the co-operation of all the productive forces of the nation, to associating employers and employed in the administration, and to regulating production, manufacture, distribution, employment, prices, as also import and export of goods on principles of public economy.
Distributive productive co-operative societies and their federations may, on their own demand, and with due regard to their constitution and character, be incorporated in the public economic system.
Article 157.
The labour forces of the nation are under the special protection of the Realm. The Realm shall draw up a uniform labour code.
Article 158.
Intellectual work, the rights of discoverers, inventors, and artists, shall be under the care and protection of the Realm.