State Act

Portuguese Civil Code, 1867

Article 431 – Use of public waters - It is lawful for anyone to use public waters in conformity with the administrative regulations. § 1 - If the said waters are navigable or floatable, such use should be made without prejudice to the interests of navigation or floating operations. § 2 - The conflicts, which may arise between the general interests of navigation or floating operations, and the interests of agriculture or of industry shall be resolved administratively.