Circular número 9/72 del Ministerio de Comercio de 04/09/1972, Boletín Oficial del Estado - 02 . Orden de 15/02/1950, por la que se reconoce validez en España a la Sociedad de Clasificación de Buques "American Bureau of Shipping", Boletín Oficial del Estado de 08/03/1950 Página 1082 - 03 . Orden de 31/05/1971, sobre reconocimiento de la Sociedad Clasificadora de Buques "Registro Italiano Navale" (RINA), Boletín Oficial del Estado número 152 de 26/06/1971 Página 10558 - 04 . Orden de 29/01/1973,

This procedure involves a series of administrative orders by the Spanish Ministry of Commerce to officially recognize the validity of international ship classification societies within Spain. These societies ensure that vessels are built and maintained according to specific technical and safety standards. This affects the maritime sector and shipping companies operating in Spain, as it permits the use of certifications from organizations such as the American Bureau of Shipping and the Registro Italiano Navale (RINA).