Orden de 13/06/1997, por la que se determinan los Códigos Comunitarios Armonizados y los Nacionales, a consignar en permisos y licencias de conducción. Boletín Oficial del Estado número 151 de 25/06/1997 Página 19594 (Marginal 13929)

This order establishes the harmonised European and national codes to be included on driving permits and licences. It aims to standardise information across member states for better recognition and consistency. This affects all drivers and licensing authorities within Spain, ensuring that driving licence information is uniformly presented and understood across the EU.