Foreign trade regulation 14 Administrative regulations 8 Derecho administrativo 8 Administrative law 7 Law and legislation 7 Legislación 7 Traffic regulations 7 Safety regulations 6 Administración pública 5 Gene Expression Regulation 5 Regulation 5 Trade regulation 5 Tráfico 5 Economic policy 4 Price regulation 4 Public administration 4 Regulación del comercio exterior 4 Comercio internacional 3 Derecho 3 Genetic regulation 3 International law 3 International trade 3 Ships 3 Tariff 3 Comercio 2 Derecho y legislación 2 Drivers' licenses 2 Droit international 2 Foreign economic relations 2 Gene therapy 2