| English | Spanish |
| administrative law Body of law created by administrative agencies in the form of rules, regulations, orders and decisions to carry out regulatory powers and duties of such agencies | derecho administrativo |
| air traffic law | legislación relativa al tráfico aéreo |
| air traffic law International rules and conventions relating to air transportation | legislación relativa al tráfico aéreo |
| Amagat's law | ley de Amagat |
| aviation law | legislación relativa al tráfico aéreo |
| aviation law International rules regulating air transportation | legislación relativa al tráfico aéreo |
| buys ballot's law | ley de buys ballot |
| civil law Law inspired by old Roman Law, the primary feature of which was that laws were written into a collection; codified, and not determined, as is common law, by judges. The principle of civil law is to provide all citizens with an accessible and written collection of the laws which apply to them and which judges must follow | derecho civil |
| class action suits law | legislación sobre querellas de colectivos |
| class action suits law Legal action initiated by a single person or a few people on behalf of a group with similar claim or claims | legislación sobre querellas de colectivos |
| commercial law The whole body of substantive jurisprudence applicable to the rights, intercourse and relations of persons engaged in commerce, trade or mercantile pursuits | derecho mercantil |
| Community law The law of European Community (as opposed to the national laws of the member states) It consists of the treaties establishing the EC (together with subsequent amending treaties) community legislation, and decisions of the court of justice of the European Communities. Any provision of the treaties or of community legislation that is directly applicable or directly effective in a member state forms part of the law of that state and prevails over its national law in the event of any inconsistency between the two | derecho comunitario |
| comparative law The study of the principles of legal science by the comparison of various systems of law | derecho comparado |
| competition law | derecho de la competencia |
| competition law That part of the law dealing with matters such as those arising from monopolies and mergers, restrictive trading agreements, resale price maintenance and agreements involving distortion of competition affected by EU rules | derecho de la competencia |
| constitutional law That branch of the public law of a nation or state which treats of the organization, powers and frame of government, the distribution of political and governmental authorities and functions, the fundamental principles which are to regulate the relations of government and citizen and which prescribes generally the plan and method according to which the public affairs of the nation or state are to be administered | derecho constitucional |
| Convention on the Protection of the Environment through Criminal Law | Convenio sobre la protección del medio ambiente mediante el derecho penal |
| criminal law That body of the law that deals with conduct considered so harmful to society as a whole that it is prohibited by statute, prosecuted and punished by the government | derecho penal |
| criminal law procedure The rules of law governing the procedure by which crimes are investigated, prosecuted, adjudicated, and punish | procedimiento penal |
| dangerous goods law | legislación sobre mercancías peligrosas |
| data processing law | derecho de la informática |
| data-processing law | derecho de la informática |
| EIA law | Ley EIA |
| EIA law Law concerning the assessment of the effects of certain public and private projects on the environment, based on the EC Directive n. 85/337 | Ley EIA |
| emergency law | ley de urgencia |
| environment law | derecho ambiental |
| environmental criminal law | derecho penal ambiental |
| environmental criminal law The aggregate of statutory enactments pertaining to actions or instances of ecological negligence deemed injurious to public welfare or government interests and legally prohibited | derecho penal ambiental |
| environmental law A wide spectrum of options from binding "hard" laws, such as international treaties and national legislation, to "soft" laws, covering guiding principles, recommended practices and procedures, and standards. Environmental law also attempts to reconcile international considerations with concerns that focus on very specific problems such as soil degradation, marine pollution or the depletion of non-renewable resources | derecho ambiental |
| environmental law enforcement | aplicación de la legislación ambiental |
| environmental law enforcement Any variety of activities associated with promoting compliance and obedience to those binding rules of a state that have been promulgated to safeguard ecological integrity, preserve natural resources and protect human health | aplicación de la legislación ambiental |
| European hunting law | código europeo de la caza |
| family law Branch of specialty of law, also denominated "domestic relations" law, concerned with such subjects as adoption, annulment, divorce, separation, paternity, custody, support and child care | derecho de familia |
| federal law | ley federal |
| federal law A binding rule or body of rules established by a government that has been constituted as a union of independent political units or states | ley federal |
| federal law for the protection against emissions | ley federal para la protección contra las emisiones |
| fertiliser law | ley de fertilizantes |
| financial law | derecho financiero |
| fishing law | ley de la pesca |
| fishing law Rules concerning fishing activities; in international law the matter is ruled by the 1958 Geneva Convention | ley de la pesca |
| forage law | ley de forraje |
| forestry law | derecho forestal |
| forestry law A binding rule or body of rules prescribed by a government to regulate any extensive area of woodland, for the protection and preservation of game, timber and other forest resources | derecho forestal |
| harmonisation of law | armonización legal |
| harmonisation of law The process by which two or more states, sometimes under the auspices of an interstate or international organization, change their legislation relevant to some area of common concern to conform their statutes and to facilitate compliance and enforcement across borders | armonización legal |
| immission control law | ley de control de emisiones |
| implementation law | ley de ejecución |
| international economic law | derecho internacional económico |
| international economic law The recognized rules guiding the commercial relations of at least two sovereign states or private parties involved in cross-border transactions, including regulations for trade, finance and intellectual property | derecho internacional económico |
| international law The system of law regulating the interrelationship of sovereign states and their rights and duties with regard to one another | derecho internacional |
| labour law The branch of the legal system which lays down the rules governing employment relationships, trade union relations, and state intervention to provide protection against particular situations of need for citizens who are workers | derecho del trabajo |
| law amendment | enmienda legislativa |
| law amendment An alteration of or addition to any statute with legal force that, if approved by the appropriate legislative authority, supersedes the original statute | enmienda legislativa |
| law branch | especialidad legal |
| law branch A subdivision of the body of principles and regulations established by a government or other authority, generally defined by its scope or application | especialidad legal |
| law draft The form in which proposed statutes, resolutions or special acts are introduced into a legislative body, before they are enacted or passed | proyecto de ley |
| law enforcement | aplicación de ley |
| law enforcement Any variety of activities associated with promoting compliance and obedience to the binding rules of a state, especially the prevention, investigation, apprehension or detention of individuals suspected or convicted of violating those rules | aplicación de ley |
| law on nature | derecho sobre naturaleza |
| law relating to prisons | derecho penitenciario |
| law relating to prisons Binding rules and regulations pertaining to the construction, use and operation of jails, penitentiaries and other places of legal confinement and punishment | derecho penitenciario |
| lead-in-petrol law | ley de plomo en gasolina |
| lead-in-petrol law A binding rule or body of rules prescribed by a government to reduce or eliminate the lead content in petroleum fuels used in vehicular and other engines that pollute the air with lead-carrying exhaust | ley de plomo en gasolina |
| maritime law That system of law which particularly relates to marine commerce and navigation, to business transacted at sea or relating to navigation, to ships and shipping, to seamen, to the transportation of persons and property by sea, and to marine affairs generally | derecho del mar |
| mining law | ley de explotación minera |
| mining law A binding rule or body of rules prescribed by a government to regulate the potentially harmful activity of enterprises concerned with the extraction and processing of precious or valuable metals | ley de explotación minera |
| municipal law | ley municipal |
| municipal law Broadly, a law or body of laws that pertains solely to the citizens and inhabitants of a state; narrowly, a law or body of laws pertaining to towns, cities, villages and their local governments | ley municipal |
| natural independence law | ley de independencia natural |
| natural independence law The inviolable, moral claim of non-human organisms and their habitats to exist unharmed or unchanged by human activity as postulated by certain environmental ethicists | ley de independencia natural |
| neighbourhood law | ley de vecindad |
| neighbourhood law A binding rule or body of rules prescribed by a government to protect human health and the environment, manage growth and development or enhance the quality of life in small geographical and social areas within cities where residents share values and concerns and interact with one another on a daily basis | ley de vecindad |
| planning law | ley de planificación |
| planning law A binding rule or body of rules prescribed by a government to organize, designate and regulate land use within its domain through zoning laws, subdivision regulations, rent and sign controls, growth management and other measures designed to protect human health and ecological integrity | ley de planificación |
| police law | ley de policía |
| police law A binding rule or body of rules prescribed by a government to regulate the employment and tactics of police or other civil agents organized to maintain order, prevent and detect crimes and promote obedience to civil regulations and authority | ley de policía |
| private international law | derecho internacional privado |
| private international law The part of the national law of a country that establishes rules for dealing with cases involving a foreign element | derecho internacional privado |
| private law The branch of law dealing with such aspects of relationships between individuals that are of no direct concern to the state | derecho privado |
| procedural law Law which prescribes method of enforcing rights or obtaining redress for their invasion. Laws which fix duties, establish rights and responsibilities among and for persons, natural or otherwise, are "substantive laws" in character, while those which merely prescribe the manner in which such rights and responsibilities may be exercised and enforced in a court are "procedural laws" | derecho procesal |
| provincial/regional law D | ley provincial/regional D |
| provincial/regional law D | ley provincial/regional (D) |
| public international law The general rules and principles pertaining to the conduct of nations and of international organizations and with the relations among them | derecho internacional público |
| public law A general classification of law, consisting generally of constitutional, administrative, criminal and international law, concerned with the organization of the state, the relations between the state and the people who compose it, the responsibilities of public officers to the state, to each other, and to private persons, and the relations of states to one other. The branch or department of law which is concerned with the state in its political or sovereign capacity, including constitutional and administrative law, and with the definition, regulation, and enforcement of rights in cases where the state is regarded as the subject of the right or object of the duty, - including criminal law and criminal procedure, - and the law of the state, considered in its quasi private personality, i.e., as capable of holding or exercising rights, or acquiring and dealing with property, in the character of an individual | derecho público |
| radiation protection law | ley de protección contra la radiación |
| radiation protection law A binding rule or body of rules prescribed by government to establish measures to keep humans and natural resources safe from harmful exposure to energy waves released by nuclear materials, electromagnetic current and other sources | ley de protección contra la radiación |
| recycling management and waste law | gestión de reciclaje y ley de residuos |
| recycling management and waste law A binding rule or body of rules prescribed by government to establish and regulate provisions for the minimization of waste generation through recovery and reprocessing of re-usable products | gestión de reciclaje y ley de residuos |
| regional law | derecho autonómico |
| regulative law | ley normativa |
| rural law | ley rural |
| rural law A binding rule or body of rules prescribed by a government pertaining to matters of importance to residents of sparsely populated regions, especially agricultural and other economic issues | ley rural |
| special law | derecho especial |
| special law One relating to particular persons or things; one made for individual cases or for particular places or districts; one operating upon a selected class, rather than upon the public generally. A law is special when it is different from others of the same general kind or designed for a particular purpose, or limited in range or confined to a prescribed field of action or operation | derecho especial |
| tax law A binding rule or body of rules prescribed by a government stipulating the sum of money and manner of collection it demands for governmental support, facilities and services, usually levied upon income, property, sales or other financial resources | derecho fiscal |
| transport law | ley de transporte |
| transport law Rules concerning the movement of goods or persons by sea, railway or road | ley de transporte |
| urban development law | derecho urbanístico |
| urban development law A binding rule or body of rules prescribed by government to regulate public services and the competing claims of residential, commercial and industrial interests in municipal areas generally characterized by moderate to high population density | derecho urbanístico |
